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839629 Commits (84ede58dfcd1db6f04f71dd3ccd5328271b346da)

Author SHA1 Message Date
Eric Biggers 84ede58dfc crypto: hash - remove CRYPTO_ALG_TYPE_DIGEST
Remove the unnecessary constant CRYPTO_ALG_TYPE_DIGEST, which has the
same value as CRYPTO_ALG_TYPE_HASH.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:41 +08:00
Eric Biggers 3e56e16863 crypto: cryptd - move kcrypto_wq into cryptd
kcrypto_wq is only used by cryptd, so move it into cryptd.c and change
the workqueue name from "crypto" to "cryptd".

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:41 +08:00
Eric Biggers e590e1321c crypto: gf128mul - make unselectable by user
There's no reason for users to select CONFIG_CRYPTO_GF128MUL, since it's
just some helper functions, and algorithms that need it select it.

Remove the prompt string so that it's not shown to users.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Eric Biggers 87804144cb crypto: echainiv - change to 'default n'
echainiv is the only algorithm or template in the crypto API that is
enabled by default.  But there doesn't seem to be a good reason for it.
And it pulls in a lot of stuff as dependencies, like AEAD support and a
"NIST SP800-90A DRBG" including HMAC-SHA256.

The commit which made it default 'm', commit 3491244c62 ("crypto:
echainiv - Set Kconfig default to m"), mentioned that it's needed for
IPsec.  However, later commit 32b6170ca5 ("ipv4+ipv6: Make INET*_ESP
select CRYPTO_ECHAINIV") made the IPsec kconfig options select it.

So, remove the 'default m'.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Eric Biggers c8a3315a5f crypto: make all templates select CRYPTO_MANAGER
The "cryptomgr" module is required for templates to be used.  Many
templates select it, but others don't.  Make all templates select it.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Eric Biggers 929d34cac1 crypto: testmgr - make extra tests depend on cryptomgr
The crypto self-tests are part of the "cryptomgr" module, which can
technically be disabled (though it rarely is).  If you do so, currently
you can still enable CRYPTO_MANAGER_EXTRA_TESTS, which doesn't make
sense since in that case testmgr.c isn't compiled at all.  Fix it by
making it CRYPTO_MANAGER_EXTRA_TESTS depend on CRYPTO_MANAGER2, like
CRYPTO_MANAGER_DISABLE_TESTS already does.

Fixes: 5b2706a4d4 ("crypto: testmgr - introduce CONFIG_CRYPTO_MANAGER_EXTRA_TESTS")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Eric Biggers e944eab37a crypto: testmgr - fix length truncation with large page size
On PowerPC with CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y, there is sometimes
a crash in generate_random_aead_testvec().  The problem is that the
generated test vectors use data lengths of up to about 2 * PAGE_SIZE,
which is 128 KiB on PowerPC; however, the data length fields in the test
vectors are 'unsigned short', so the lengths get truncated.  Fix this by
changing the relevant fields to 'unsigned int'.

Fixes: 40153b10d9 ("crypto: testmgr - fuzz AEADs against their generic implementation")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Eric Biggers 2621a8699e crypto: vmx - convert to skcipher API
Convert the VMX implementations of AES-CBC, AES-CTR, and AES-XTS from
the deprecated "blkcipher" API to the "skcipher" API.

As part of this, I moved the skcipher_request for the fallback algorithm
off the stack and into the request context of the parent algorithm.

I tested this in a PowerPC VM with CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Tested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Eric Biggers 1fa0a7dcf7 crypto: vmx - convert to SPDX license identifiers
Remove the boilerplate license text and replace it with the equivalent
SPDX license identifier.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Neil Armstrong 1a9e937229 hwrng: meson - update with SPDX Licence identifier
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-30 15:28:40 +08:00
Christian Lamparter 0f7a813740 crypto: crypto4xx - block ciphers should only accept complete blocks
The hardware automatically zero pads incomplete block ciphers
blocks without raising any errors. This is a screw-up. This
was noticed by CONFIG_CRYPTO_MANAGER_EXTRA_TESTS tests that
sent a incomplete blocks and expect them to fail.

This fixes:
cbc-aes-ppc4xx encryption unexpectedly succeeded on test vector
"random: len=2409 klen=32"; expected_error=-22, cfg="random:
may_sleep use_digest src_divs=[96.90%@+2295, 2.34%@+4066,
0.32%@alignmask+12, 0.34%@+4087, 0.9%@alignmask+1787, 0.1%@+3767]
iv_offset=6"

ecb-aes-ppc4xx encryption unexpectedly succeeded on test vector
"random: len=1011 klen=32"; expected_error=-22, cfg="random:
may_sleep use_digest src_divs=[100.0%@alignmask+20]
dst_divs=[3.12%@+3001, 96.88%@+4070]"

Cc: Eric Biggers <ebiggers@kernel.org>
Cc: stable@vger.kernel.org [4.19, 5.0 and 5.1]
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:13:09 +08:00
Christian Lamparter 70c4997f34 crypto: crypto4xx - fix blocksize for cfb and ofb
While the hardware consider them to be blockciphers, the
reference implementation defines them as streamciphers.

Do the right thing and set the blocksize to 1. This
was found by CONFIG_CRYPTO_MANAGER_EXTRA_TESTS.

This fixes the following issues:
skcipher: blocksize for ofb-aes-ppc4xx (16) doesn't match generic impl (1)
skcipher: blocksize for cfb-aes-ppc4xx (16) doesn't match generic impl (1)

Cc: Eric Biggers <ebiggers@kernel.org>
Cc: stable@vger.kernel.org
Fixes: f2a13e7cba ("crypto: crypto4xx - enable AES RFC3686, ECB, CFB and OFB offloads")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:13:09 +08:00
Christian Lamparter bfa2ba7d9e crypto: crypto4xx - fix AES CTR blocksize value
This patch fixes a issue with crypto4xx's ctr(aes) that was
discovered by libcapi's kcapi-enc-test.sh test.

The some of the ctr(aes) encryptions test were failing on the
non-power-of-two test:

kcapi-enc - Error: encryption failed with error 0
kcapi-enc - Error: decryption failed with error 0
[FAILED: 32-bit - 5.1.0-rc1+] 15 bytes: STDIN / STDOUT enc test (128 bits):
original file (1d100e..cc96184c) and generated file (e3b0c442..1b7852b855)
[FAILED: 32-bit - 5.1.0-rc1+] 15 bytes: STDIN / STDOUT enc test (128 bits)
(openssl generated CT): original file (e3b0..5) and generated file (3..8e)
[PASSED: 32-bit - 5.1.0-rc1+] 15 bytes: STDIN / STDOUT enc test (128 bits)
(openssl generated PT)
[FAILED: 32-bit - 5.1.0-rc1+] 15 bytes: STDIN / STDOUT enc test (password):
original file (1d1..84c) and generated file (e3b..852b855)

But the 16, 32, 512, 65536 tests always worked.

Thankfully, this isn't a hidden hardware problem like previously,
instead this turned out to be a copy and paste issue.

With this patch, all the tests are passing with and
kcapi-enc-test.sh gives crypto4xx's a clean bill of health:
 "Number of failures: 0" :).

Cc: stable@vger.kernel.org
Fixes: 98e87e3d93 ("crypto: crypto4xx - add aes-ctr support")
Fixes: f2a13e7cba ("crypto: crypto4xx - enable AES RFC3686, ECB, CFB and OFB offloads")
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:13:09 +08:00
Sascha Hauer bb992bc418 crypto: caam - print debugging hex dumps after unmapping
For encryption the destination pointer was still mapped, so the hex dump
may be wrong. The IV still contained the input IV while printing instead
of the output IV as intended.

For decryption the destination pointer was still mapped, so the hex dump
may be wrong. The IV dump was correct.

Do the hex dumps consistenly after the buffers have been unmapped and
in case of IV copied to their final destination.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:13:09 +08:00
Christophe Leroy 3e03e79286 crypto: talitos - fix skcipher failure due to wrong output IV
Selftests report the following:

[    2.984845] alg: skcipher: cbc-aes-talitos encryption test failed (wrong output IV) on test vector 0, cfg="in-place"
[    2.995377] 00000000: 3d af ba 42 9d 9e b4 30 b4 22 da 80 2c 9f ac 41
[    3.032673] alg: skcipher: cbc-des-talitos encryption test failed (wrong output IV) on test vector 0, cfg="in-place"
[    3.043185] 00000000: fe dc ba 98 76 54 32 10
[    3.063238] alg: skcipher: cbc-3des-talitos encryption test failed (wrong output IV) on test vector 0, cfg="in-place"
[    3.073818] 00000000: 7d 33 88 93 0f 93 b2 42

This above dumps show that the actual output IV is indeed the input IV.
This is due to the IV not being copied back into the request.

This patch fixes that.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:13:06 +08:00
Hook, Gary 89646fdda4 crypto: ccp - Fix 3DES complaint from ccp-crypto module
Crypto self-tests reveal an error:

alg: skcipher: cbc-des3-ccp encryption test failed (wrong output IV) on test vector 0, cfg="in-place"

The offset value should not be recomputed when retrieving the context.
Also, a code path exists which makes decisions based on older (version 3)
hardware; a v3 device deosn't support 3DES so remove this check.

Fixes: 990672d485 ('crypto: ccp - Enable 3DES function on v5 CCPs')

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:07 +08:00
Hook, Gary c3b359d656 crypto: ccp - fix AES CFB error exposed by new test vectors
Updated testmgr will exhibit this error message when loading the
ccp-crypto module:

alg: skcipher: cfb-aes-ccp encryption failed with err -22 on test vector 3, cfg="in-place"

Update the CCP crypto driver to correctly treat CFB as a streaming mode
cipher (instead of block mode). Update the configuration for CFB to
specify the block size as a single byte;

Fixes: 2b789435d7 ('crypto: ccp - CCP AES crypto API support')

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:07 +08:00
Hook, Gary 499df9674c crypto: ccp - AES CFB mode is a stream cipher
CFB mode should be treated as a stream cipher, not block.

Fixes: 63b945091a ('crypto: ccp - CCP device driver and interface support')

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:07 +08:00
YueHaibing efc77e8107 crypto: arm/sha512 - Make sha512_arm_final static
Fix sparse warning:

arch/arm/crypto/sha512-glue.c:40:5: warning:
 symbol 'sha512_arm_final' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:07 +08:00
Stephan Mueller db07cd26ac crypto: drbg - add FIPS 140-2 CTRNG for noise source
FIPS 140-2 section 4.9.2 requires a continuous self test of the noise
source. Up to kernel 4.8 drivers/char/random.c provided this continuous
self test. Afterwards it was moved to a location that is inconsistent
with the FIPS 140-2 requirements. The relevant patch was
e192be9d9a .

Thus, the FIPS 140-2 CTRNG is added to the DRBG when it obtains the
seed. This patch resurrects the function drbg_fips_continous_test that
existed some time ago and applies it to the noise sources. The patch
that removed the drbg_fips_continous_test was
b361476305 .

The Jitter RNG implements its own FIPS 140-2 self test and thus does not
need to be subjected to the test in the DRBG.

The patch contains a tiny fix to ensure proper zeroization in case of an
error during the Jitter RNG data gathering.

Signed-off-by: Stephan Mueller <smueller@chronox.de>
Reviewed-by: Yann Droneaud <ydroneaud@opteya.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:06 +08:00
Horia Geantă a7cd942bb6 crypto: caam/qi - DMA map keys using proper device
Currently there is a mismatch b/w the ICID (Isolation Context ID) used
for DMA mapping keys and ICID used for accessing them.
-keys are DMA mapped using a job ring device, thus a job ring ICID
-keys are accessed from descriptors enqueued via Queue Interface,
thus using QI ICID

[Note: ICIDs of JRs, QI are configured by U-boot / other entity by:
-fixing up the corresponding job ring and controller DT nodes
-setting up corresponding caam ICID registers]

In order to avoid IOMMU faults, DMA map the key using the controller
device instead of a job ring device.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:04 +08:00
Horia Geantă b2b2ee350e crypto: caam/qi - fix address translations with IOMMU enabled
When IOMMU is enabled, iova -> phys address translation should be
performed using iommu_ops, not dma_to_phys().

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:04 +08:00
Horia Geantă 6b175685b4 crypto: caam/qi - don't allocate an extra platform device
Use the controller device for caam/qi instead of allocating
a new platform device.
This is needed as a preparation to add support for working behind an
SMMU. A platform device allocated using platform_device_register_full()
is not completely set up - most importantly .dma_configure()
is not called.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:04 +08:00
Horia Geantă 1b46c90c8e crypto: caam - convert top level drivers to libraries
Currently we allow top level code, i.e. that which sits between the
low level (HW-specific) drivers and crypto API, to be built as several
drivers: caamalg, caamhash, caam_pkc, caamrng, caamalg_qi.

There is no advantage in this, more it interferes with adding support
for deferred probing (there are no corresponding devices and thus
no bus).

Convert these drivers and call init() / exit() manually at the right
time.
Move algorithms initialization at JR probe / remove time:
-the first probed JR registers the crypto algs
-the last removed JR unregisters the crypto algs

Note: caam_qi_init() is called before JR platform devices creation
(of_populate_bus()), such that QI interface is initialized when
the caam/qi algorithms are registered in the JR driver (by calling
caam_qi_algapi_init().

While here, fix the Kconfig entries under CRYPTO_DEV_FSL_CAAM_JR
to be aligned.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:03 +08:00
Horia Geantă a5e5c13398 crypto: caam - fix S/G table passing page boundary
According to CAAM RM:
-crypto engine reads 4 S/G entries (64 bytes) at a time,
even if the S/G table has fewer entries
-it's the responsibility of the user / programmer to make sure
this HW behaviour has no side effect

The drivers do not take care of this currently, leading to IOMMU faults
when the S/G table ends close to a page boundary - since only one page
is DMA mapped, while CAAM's DMA engine accesses two pages.

Fix this by rounding up the number of allocated S/G table entries
to a multiple of 4.
Note that in case of two *contiguous* S/G tables, only the last table
might needs extra entries.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:03 +08:00
Horia Geantă dcd9c76e5a crypto: caam - avoid S/G table fetching for AEAD zero-length output
When enabling IOMMU support, the following issue becomes visible
in the AEAD zero-length case.

Even though the output sequence length is set to zero, the crypto engine
tries to prefetch 4 S/G table entries (since SGF bit is set
in SEQ OUT PTR command - which is either generated in SW in case of
caam/jr or in HW in case of caam/qi, caam/qi2).
The DMA read operation will trigger an IOMMU fault since the address in
the SEQ OUT PTR is "dummy" (set to zero / not obtained via DMA API
mapping).

1. In case of caam/jr, avoid the IOMMU fault by clearing the SGF bit
in SEQ OUT PTR command.

2. In case of caam/qi - setting address, bpid, length to zero for output
entry in the compound frame has a special meaning (cf. CAAM RM):
"Output frame = Unspecified, Input address = Y. A unspecified frame is
indicated by an unused SGT entry (an entry in which the Address, Length,
and BPID fields are all zero). SEC obtains output buffers from BMan as
prescribed by the preheader."

Since no output buffers are needed, modify the preheader by setting
(ABS = 1, ADDBUF = 0):
-"ABS = 1 means obtain the number of buffers in ADDBUF (0 or 1) from
the pool POOL ID"
-ADDBUF: "If ABS is set, ADD BUF specifies whether to allocate
a buffer or not"

3. In case of caam/qi2, since engine:
-does not support FLE[FMT]=2'b11 ("unused" entry) mentioned in DPAA2 RM
-requires output entry to be present, even if not used
the solution chosen is to leave output frame list entry zeroized.

Fixes: 763069ba49 ("crypto: caam - handle zero-length AEAD output")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:03 +08:00
Giovanni Cabiddu a3af11399a crypto: qat - do not offload zero length requests
If a zero length request is submitted through the skcipher api,
do not offload it and return success.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:03 +08:00
Giovanni Cabiddu 96ee111a65 crypto: qat - return error for block ciphers for invalid requests
Return -EINVAL if a request for a block cipher is not multiple of the
size of the block.

This problem was found with by the new extra run-time crypto self test.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:03 +08:00
Giovanni Cabiddu 92fec16d1f crypto: qat - return proper error code in setkey
If an invalid key is provided as input to the setkey function, the
function always failed returning -ENOMEM rather than -EINVAL.
Furthermore, if setkey was called multiple times with an invalid key,
the device instance was getting leaked.

This patch fixes the error paths in the setkey functions by returning
the correct error code in case of error and freeing all the resources
allocated in this function in case of failure.

This problem was found with by the new extra run-time crypto self test.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:03 +08:00
Giovanni Cabiddu 51d33c2f05 crypto: qat - fix block size for aes ctr mode
The block size for aes counter mode was improperly set to AES_BLOCK_SIZE.
This sets it to 1 as it is a stream cipher.

This problem was found with by the new extra run-time crypto self test.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:02 +08:00
Giovanni Cabiddu 15b5e9112c crypto: qat - update iv after encryption or decryption operations
Allocate a contiguous buffer and instruct the qat hardware to return the
iv at the end of an encryption or decryption operation.
The iv is copied to the array provided by the user in the callback
function.

This problem was found with by the crypto self test.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:02 +08:00
Shant KumarX Sonnad c044b62c36 crypto: qat - add check for negative offset in alg precompute function
The offset is calculated based on type of hash algorithum.
If the algorithum is invalid the offset can have negative value.
Hence added negative offset check and return -EFAULT.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Shant KumarX Sonnad <shant.kumarx.sonnad@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:02 +08:00
Xin Zeng 933224985a crypto: qat - remove spin_lock in qat_ablkcipher_setkey
Remove unnecessary spin lock in qat_ablkcipher_setkey.

Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Xin Zeng <xin.zeng@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2019-05-23 14:01:02 +08:00
Linus Torvalds a188339ca5 Linux 5.2-rc1 2019-05-19 15:47:09 -07:00
Linus Torvalds 2e2c122001 This pull request contains the following fixes for UBIFS:
- Build errors wrt. xattrs
 - Mismerge which lead to a wrong Kconfig ifdef
 - Missing endianness conversion
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Merge tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs

Pull UBIFS fixes from Richard Weinberger:

 - build errors wrt xattrs

 - mismerge which lead to a wrong Kconfig ifdef

 - missing endianness conversion

* tag 'upstream-5.2-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs:
  ubifs: Convert xattr inum to host order
  ubifs: Use correct config name for encryption
  ubifs: Fix build error without CONFIG_UBIFS_FS_XATTR
2019-05-19 15:22:03 -07:00
Linus Torvalds cb6f8739fb Merge branch 'akpm' (patches from Andrew)
Merge yet more updates from Andrew Morton:
 "A few final bits:

   - large changes to vmalloc, yielding large performance benefits

   - tweak the console-flush-on-panic code

   - a few fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  panic: add an option to replay all the printk message in buffer
  initramfs: don't free a non-existent initrd
  fs/writeback.c: use rcu_barrier() to wait for inflight wb switches going into workqueue when umount
  mm/compaction.c: correct zone boundary handling when isolating pages from a pageblock
  mm/vmap: add DEBUG_AUGMENT_LOWEST_MATCH_CHECK macro
  mm/vmap: add DEBUG_AUGMENT_PROPAGATE_CHECK macro
  mm/vmalloc.c: keep track of free blocks for vmap allocation
2019-05-19 12:15:32 -07:00
Linus Torvalds ff8583d6e4 Kbuild updates for v5.2 (2nd)
- remove unneeded use of cc-option, cc-disable-warning, cc-ldoption
 
  - exclude tracked files from .gitignore
 
  - re-enable -Wint-in-bool-context warning
 
  - refactor samples/Makefile
 
  - stop building immediately if syncconfig fails
 
  - do not sprinkle error messages when $(CC) does not exist
 
  - move arch/alpha/defconfig to the configs subdirectory
 
  - remove crappy header search path manipulation
 
  - add comment lines to .config to clarify the end of menu blocks
 
  - check uniqueness of module names (adding new warnings intentionally)
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Merge tag 'kbuild-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull more Kbuild updates from Masahiro Yamada:

 - remove unneeded use of cc-option, cc-disable-warning, cc-ldoption

 - exclude tracked files from .gitignore

 - re-enable -Wint-in-bool-context warning

 - refactor samples/Makefile

 - stop building immediately if syncconfig fails

 - do not sprinkle error messages when $(CC) does not exist

 - move arch/alpha/defconfig to the configs subdirectory

 - remove crappy header search path manipulation

 - add comment lines to .config to clarify the end of menu blocks

 - check uniqueness of module names (adding new warnings intentionally)

* tag 'kbuild-v5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (24 commits)
  kconfig: use 'else ifneq' for Makefile to improve readability
  kbuild: check uniqueness of module names
  kconfig: Terminate menu blocks with a comment in the generated config
  kbuild: add LICENSES to KBUILD_ALLDIRS
  kbuild: remove 'addtree' and 'flags' magic for header search paths
  treewide: prefix header search paths with $(srctree)/
  media: prefix header search paths with $(srctree)/
  media: remove unneeded header search paths
  alpha: move arch/alpha/defconfig to arch/alpha/configs/defconfig
  kbuild: terminate Kconfig when $(CC) or $(LD) is missing
  kbuild: turn auto.conf.cmd into a mandatory include file
  .gitignore: exclude .get_maintainer.ignore and .gitattributes
  kbuild: add all Clang-specific flags unconditionally
  kbuild: Don't try to add '-fcatch-undefined-behavior' flag
  kbuild: add some extra warning flags unconditionally
  kbuild: add -Wvla flag unconditionally
  arch: remove dangling asm-generic wrappers
  samples: guard sub-directories with CONFIG options
  kbuild: re-enable int-in-bool-context warning
  MAINTAINERS: kbuild: Add pattern for scripts/*vmlinux*
  ...
2019-05-19 11:53:58 -07:00
Linus Torvalds f23d8719e7 Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "Some I2C core API additions which are kind of simple but enhance error
  checking for users a lot, especially by returning errno now.

  There are wrappers to still support the old API but it will be removed
  once all users are converted"

* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: core: add device-managed version of i2c_new_dummy
  i2c: core: improve return value handling of i2c_new_device and i2c_new_dummy
2019-05-19 11:47:03 -07:00
Linus Torvalds c4d36b63b2 Some bug fixes, and an update to the URL's for the final version of
Unicode 12.1.0.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "Some bug fixes, and an update to the URL's for the final version of
  Unicode 12.1.0"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: avoid panic during forced reboot due to aborted journal
  ext4: fix block validity checks for journal inodes using indirect blocks
  unicode: update to Unicode 12.1.0 final
  unicode: add missing check for an error return from utf8lookup()
  ext4: fix miscellaneous sparse warnings
  ext4: unsigned int compared against zero
  ext4: fix use-after-free in dx_release()
  ext4: fix data corruption caused by overlapping unaligned and aligned IO
  jbd2: fix potential double free
  ext4: zero out the unused memory region in the extent tree block
2019-05-19 11:43:16 -07:00
Linus Torvalds d8848eefc1 minor cleanup and fixes, one for stable, also adds SEEK_HOLE support
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Merge tag '5.2-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Minor cleanup and fixes, one for stable, four rdma (smbdirect)
  related. Also adds SEEK_HOLE support"

* tag '5.2-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: add support for SEEK_DATA and SEEK_HOLE
  Fixed https://bugzilla.kernel.org/show_bug.cgi?id=202935 allow write on the same file
  cifs: Allocate memory for all iovs in smb2_ioctl
  cifs: Don't match port on SMBDirect transport
  cifs:smbd Use the correct DMA direction when sending data
  cifs:smbd When reconnecting to server, call smbd_destroy() after all MIDs have been called
  cifs: use the right include for signal_pending()
  smb3: trivial cleanup to smb2ops.c
  cifs: cleanup smb2ops.c and normalize strings
  smb3: display session id in debug data
2019-05-19 11:38:18 -07:00
Linus Torvalds 1ba3b5dc14 Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf tooling updates from Ingo Molnar:
 "perf.data:

   - Streaming compression of perf ring buffer into
     PERF_RECORD_COMPRESSED user space records, resulting in ~3-5x
     perf.data file size reduction on variety of tested workloads what
     saves storage space on larger server systems where perf.data size
     can easily reach several tens or even hundreds of GiBs, especially
     when profiling with DWARF-based stacks and tracing of context
     switches.

  perf record:

   - Improve -user-regs/intr-regs suggestions to overcome errors

  perf annotate:

   - Remove hist__account_cycles() from callback, speeding up branch
     processing (perf record -b)

  perf stat:

   - Add a 'percore' event qualifier, e.g.: -e
     cpu/event=0,umask=0x3,percore=1/, that sums up the event counts for
     both hardware threads in a core.

     We can already do this with --per-core, but it's often useful to do
     this together with other metrics that are collected per hardware
     thread.

     I.e. now its possible to do this per-event, and have it mixed with
     other events not aggregated by core.

  arm64:

   - Map Brahma-B53 CPUID to cortex-a53 events.

   - Add Cortex-A57 and Cortex-A72 events.

  csky:

   - Add DWARF register mappings for libdw, allowing --call-graph=dwarf
     to work on the C-SKY arch.

  x86:

   - Add support for recording and printing XMM registers, available,
     for instance, on Icelake.

   - Add uncore_upi (Intel's "Ultra Path Interconnect" events) JSON
     support. UPI replaced the Intel QuickPath Interconnect (QPI) in
     Xeon Skylake-SP.

  Intel PT:

   - Fix instructions sampling rate.

   - Timestamp fixes.

   - Improve exported-sql-viewer GUI, allowing, for instance, to
     copy'n'paste the trees, useful for e-mailing"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (73 commits)
  perf stat: Support 'percore' event qualifier
  perf stat: Factor out aggregate counts printing
  perf tools: Add a 'percore' event qualifier
  perf docs: Add description for stderr
  perf intel-pt: Fix sample timestamp wrt non-taken branches
  perf intel-pt: Fix improved sample timestamp
  perf intel-pt: Fix instructions sampling rate
  perf regs x86: Add X86 specific arch__intr_reg_mask()
  perf parse-regs: Add generic support for arch__intr/user_reg_mask()
  perf parse-regs: Split parse_regs
  perf vendor events arm64: Add Cortex-A57 and Cortex-A72 events
  perf vendor events arm64: Map Brahma-B53 CPUID to cortex-a53 events
  perf vendor events arm64: Remove [[:xdigit:]] wildcard
  perf jevents: Remove unused variable
  perf test zstd: Fixup verbose mode output
  perf tests: Implement Zstd comp/decomp integration test
  perf inject: Enable COMPRESSED record decompression
  perf report: Implement perf.data record decompression
  perf record: Implement -z,--compression_level[=<n>] option
  perf report: Add stub processing of compressed events for -D
  ...
2019-05-19 11:20:22 -07:00
Linus Torvalds a13f950ef1 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull clocksource updates from Ingo Molnar:
 "Misc clocksource/clockevent driver updates that came in a bit late but
  are ready for v5.2"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  misc: atmel_tclib: Do not probe already used TCBs
  clocksource/drivers/timer-atmel-tcb: Convert tc_clksrc_suspend|resume() to static
  clocksource/drivers/tcb_clksrc: Rename the file for consistency
  clocksource/drivers/timer-atmel-pit: Rework Kconfig option
  clocksource/drivers/tcb_clksrc: Move Kconfig option
  ARM: at91: Implement clocksource selection
  clocksource/drivers/tcb_clksrc: Use tcb as sched_clock
  clocksource/drivers/tcb_clksrc: Stop depending on atmel_tclib
  ARM: at91: move SoC specific definitions to SoC folder
  clocksource/drivers/timer-milbeaut: Cleanup common register accesses
  clocksource/drivers/timer-milbeaut: Add shutdown function
  clocksource/drivers/timer-milbeaut: Fix to enable one-shot timer
  clocksource/drivers/tegra: Rework for compensation of suspend time
  clocksource/drivers/sp804: Add COMPILE_TEST to CONFIG_ARM_TIMER_SP804
  clocksource/drivers/sun4i: Add a compatible for suniv
  dt-bindings: timer: Add Allwinner suniv timer
2019-05-19 11:11:20 -07:00
Linus Torvalds d9351ea14d Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull IRQ chip updates from Ingo Molnar:
 "A late irqchips update:

   - New TI INTR/INTA set of drivers

   - Rewrite of the stm32mp1-exti driver as a platform driver

   - Update the IOMMU MSI mapping API to be RT friendly

   - A number of cleanups and other low impact fixes"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
  iommu/dma-iommu: Remove iommu_dma_map_msi_msg()
  irqchip/gic-v3-mbi: Don't map the MSI page in mbi_compose_m{b, s}i_msg()
  irqchip/ls-scfg-msi: Don't map the MSI page in ls_scfg_msi_compose_msg()
  irqchip/gic-v3-its: Don't map the MSI page in its_irq_compose_msi_msg()
  irqchip/gicv2m: Don't map the MSI page in gicv2m_compose_msi_msg()
  iommu/dma-iommu: Split iommu_dma_map_msi_msg() in two parts
  genirq/msi: Add a new field in msi_desc to store an IOMMU cookie
  arm64: arch_k3: Enable interrupt controller drivers
  irqchip/ti-sci-inta: Add msi domain support
  soc: ti: Add MSI domain bus support for Interrupt Aggregator
  irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver
  dt-bindings: irqchip: Introduce TISCI Interrupt Aggregator bindings
  irqchip/ti-sci-intr: Add support for Interrupt Router driver
  dt-bindings: irqchip: Introduce TISCI Interrupt router bindings
  gpio: thunderx: Use the default parent apis for {request,release}_resources
  genirq: Introduce irq_chip_{request,release}_resource_parent() apis
  firmware: ti_sci: Add helper apis to manage resources
  firmware: ti_sci: Add RM mapping table for am654
  firmware: ti_sci: Add support for IRQ management
  firmware: ti_sci: Add support for RM core ops
  ...
2019-05-19 10:58:45 -07:00
Linus Torvalds 39feaa3ff4 Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Ingo Molnar:
 "Fix an EFI-fb regression that affects certain x86 systems"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  fbdev/efifb: Ignore framebuffer memmap entries that lack any memory types
2019-05-19 10:33:26 -07:00
Linus Torvalds 1335d9a1fb Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Ingo Molnar:
 "This fixes a particularly thorny munmap() bug with MPX, plus fixes a
  host build environment assumption in objtool"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Allow AR to be overridden with HOSTAR
  x86/mpx, mm/core: Fix recursive munmap() corruption
2019-05-19 10:23:24 -07:00
Linus Torvalds 4c4a5c99af ARM: SoC: late updates
This is some material that we picked up into our tree late. Most of it
 are smaller fixes and additions, some defconfig updates due to recent
 development, etc.
 
 Code-wise the largest portion is a series of PM updates for the at91
 platform, and those have been in linux-next a while through the at91
 tree before we picked them up.
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Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC late updates from Olof Johansson:
 "This is some material that we picked up into our tree late. Most of it
  are smaller fixes and additions, some defconfig updates due to recent
  development, etc.

  Code-wise the largest portion is a series of PM updates for the at91
  platform, and those have been in linux-next a while through the at91
  tree before we picked them up"

* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (29 commits)
  arm64: dts: sprd: Add clock properties for serial devices
  Opt out of scripts/get_maintainer.pl
  ARM: ixp4xx: Remove duplicated include from common.c
  soc: ixp4xx: qmgr: Fix an NULL vs IS_ERR() check in probe
  arm64: tegra: Disable XUSB support on Jetson TX2
  arm64: tegra: Enable SMMU translation for PCI on Tegra186
  arm64: tegra: Fix insecure SMMU users for Tegra186
  arm64: tegra: Select ARM_GIC_PM
  amba: tegra-ahb: Mark PM functions as __maybe_unused
  ARM: dts: logicpd-som-lv: Fix MMC1 card detect
  ARM: mvebu: drop return from void function
  ARM: mvebu: prefix coprocessor operand with p
  ARM: mvebu: drop unnecessary label
  ARM: mvebu: fix a leaked reference by adding missing of_node_put
  ARM: socfpga_defconfig: enable LTC2497
  ARM: mvebu: kirkwood: remove error message when retrieving mac address
  ARM: at91: sama5: make ov2640 as a module
  ARM: OMAP1: ams-delta: fix early boot crash when LED support is disabled
  ARM: at91: remove HAVE_FB_ATMEL for sama5 SoC as they use DRM
  soc/fsl/qe: Fix an error code in qe_pin_request()
  ...
2019-05-19 10:16:39 -07:00
Linus Torvalds 86a78a8b8d powerpc fixes for 5.2 #2
One fix going back to stable, for a bug on 32-bit introduced when we added
 support for THREAD_INFO_IN_TASK.
 
 A fix for a typo in a recent rework of our hugetlb code that leads to crashes on
 64-bit when using hugetlbfs with a 4K PAGE_SIZE.
 
 Two fixes for our recent rework of the address layout on 64-bit hash CPUs, both
 only triggered when userspace tries to access addresses outside the user or
 kernel address ranges.
 
 Finally a fix for a recently introduced double free in an error path in our
 cacheinfo code.
 
 Thanks to:
   Aneesh Kumar K.V, Christophe Leroy, Sachin Sant, Tobin C. Harding.
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Merge tag 'powerpc-5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "One fix going back to stable, for a bug on 32-bit introduced when we
  added support for THREAD_INFO_IN_TASK.

  A fix for a typo in a recent rework of our hugetlb code that leads to
  crashes on 64-bit when using hugetlbfs with a 4K PAGE_SIZE.

  Two fixes for our recent rework of the address layout on 64-bit hash
  CPUs, both only triggered when userspace tries to access addresses
  outside the user or kernel address ranges.

  Finally a fix for a recently introduced double free in an error path
  in our cacheinfo code.

  Thanks to: Aneesh Kumar K.V, Christophe Leroy, Sachin Sant, Tobin C.
  Harding"

* tag 'powerpc-5.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/cacheinfo: Remove double free
  powerpc/mm/hash: Fix get_region_id() for invalid addresses
  powerpc/mm: Drop VM_BUG_ON in get_region_id()
  powerpc/mm: Fix crashes with hugepages & 4K pages
  powerpc/32s: fix flush_hash_pages() on SMP
2019-05-19 10:10:15 -07:00
Linus Torvalds bcd1739788 A few more MIPS changes for 5.2:
- A build fix for BMIPS5000 configurations with CONFIG_HW_PERF_EVENTS=y,
   which also neatly removes some #ifdefery.
 
 - A fix to report supported ISAs correctly on older Ingenic SoCs which
   incorrectly indicate MIPSr2 support in their cop0 Config register.
 
 - Some PCI modernization for SGI IP27 systems as part of ongoing work to
   support some other SGI systems.
 
 - A fix allowing use of appended DTB files with generic kernels.
 
 - DMA mask fixes for SGI IP22 & Alchemy systems.
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Merge tag 'mips_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull a few more MIPS updates from Paul Burton:
 "Some SGI IP27 specific PCI rework and a batch of fixes:

   - A build fix for BMIPS5000 configurations with
     CONFIG_HW_PERF_EVENTS=y, which also neatly removes some #ifdefery.

   - A fix to report supported ISAs correctly on older Ingenic SoCs
     which incorrectly indicate MIPSr2 support in their cop0 Config
     register.

   - Some PCI modernization for SGI IP27 systems as part of ongoing work
     to support some other SGI systems.

   - A fix allowing use of appended DTB files with generic kernels.

   - DMA mask fixes for SGI IP22 & Alchemy systems"

* tag 'mips_5.2_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: Alchemy: add DMA masks for on-chip ethernet
  MIPS: SGI-IP22: provide missing dma_mask/coherent_dma_mask
  generic: fix appended dtb support
  MIPS: SGI-IP27: abstract chipset irq from bridge
  MIPS: SGI-IP27: use generic PCI driver
  MIPS: Fix Ingenic SoCs sometimes reporting wrong ISA
  MIPS: perf: Fix build with CONFIG_CPU_BMIPS5000 enabled
2019-05-19 10:05:28 -07:00
Linus Torvalds b0bb1269b9 RISC-V Patches for the 5.2 Merge Window, Part 1 v3
This patch set contains an assortment of RISC-V related patches that I'd
 like to target for the 5.2 merge window.  Most of the patches are
 cleanups, but there are a handful of user-visible changes:
 
 * The nosmp and nr_cpus command-line arguments are now supported, which
   work like normal.
 * The SBI console no longer installs itself as a preferred console, we
   rely on standard mechanisms (/chosen, command-line, hueristics)
   instead.
 * sfence_remove_sfence_vma{,_asid} now pass their arguments along to the
   SBI call.
 * Modules now support BUG().
 * A missing sfence.vma during boot has been added.  This bug only
   manifests during boot.
 * The arch/riscv support for SiFive's L2 cache controller has been
   merged, which should un-block the EDAC framework work.
 
 I've only tested this on QEMU again, as I didn't have time to get things
 running on the Unleashed.  The latest master from this morning merges in
 cleanly and passes the tests as well.
 
 This patch set rebased my "5.2 MW, Part 1" patch set which includes an
 erronous empty file.  It's also a rebase of my "5.2 MW, Part 2" patch
 set, in which I managed to create another file while attempting to
 remove the empty file.
 
 Sorry for all the noise!
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Merge tag 'riscv-for-linus-5.2-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux

Pull RISC-V updates from Palmer Dabbelt:
 "This contains an assortment of RISC-V related patches that I'd like to
  target for the 5.2 merge window. Most of the patches are cleanups, but
  there are a handful of user-visible changes:

   - The nosmp and nr_cpus command-line arguments are now supported,
     which work like normal.

   - The SBI console no longer installs itself as a preferred console,
     we rely on standard mechanisms (/chosen, command-line, hueristics)
     instead.

   - sfence_remove_sfence_vma{,_asid} now pass their arguments along to
     the SBI call.

   - Modules now support BUG().

   - A missing sfence.vma during boot has been added. This bug only
     manifests during boot.

   - The arch/riscv support for SiFive's L2 cache controller has been
     merged, which should un-block the EDAC framework work.

  I've only tested this on QEMU again, as I didn't have time to get
  things running on the Unleashed. The latest master from this morning
  merges in cleanly and passes the tests as well"

* tag 'riscv-for-linus-5.2-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: (31 commits)
  riscv: fix locking violation in page fault handler
  RISC-V: sifive_l2_cache: Add L2 cache controller driver for SiFive SoCs
  RISC-V: Add DT documentation for SiFive L2 Cache Controller
  RISC-V: Avoid using invalid intermediate translations
  riscv: Support BUG() in kernel module
  riscv: Add the support for c.ebreak check in is_valid_bugaddr()
  riscv: support trap-based WARN()
  riscv: fix sbi_remote_sfence_vma{,_asid}.
  riscv: move switch_mm to its own file
  riscv: move flush_icache_{all,mm} to cacheflush.c
  tty: Don't force RISCV SBI console as preferred console
  RISC-V: Access CSRs using CSR numbers
  RISC-V: Add interrupt related SCAUSE defines in asm/csr.h
  RISC-V: Use tabs to align macro values in asm/csr.h
  RISC-V: Fix minor checkpatch issues.
  RISC-V: Support nr_cpus command line option.
  RISC-V: Implement nosmp commandline option.
  RISC-V: Add RISC-V specific arch_match_cpu_phys_id
  riscv: vdso: drop unnecessary cc-ldoption
  riscv: call pm_power_off from machine_halt / machine_power_off
  ...
2019-05-19 09:56:36 -07:00
Masahiro Yamada fc2694ec1a kconfig: use 'else ifneq' for Makefile to improve readability
'ifeq ... else ifneq ... endif' notation is supported by GNU Make 3.81
or later, which is the requirement for building the kernel since
commit 37d69ee308 ("docs: bump minimal GNU Make version to 3.81").

Use it to improve the readability.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2019-05-19 09:34:35 +09:00