redonkable/alistair23-linux
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alistair23-linux/drivers/infiniband/hw/hfi1
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Gustavo A. R. Silva 6497d0a9c5 IB/hfi1: Fix Spectre v1 vulnerability 
sl is controlled by user-space, hence leading to a potential
exploitation of the Spectre variant 1 vulnerability.

Fix this by sanitizing sl before using it to index ibp->sl_to_sc.

Notice that given that speculation windows are large, the policy is
to kill the speculation on the first load and not worry if it can be
completed with a dependent load/store [1].

[1] https://lore.kernel.org/lkml/20180423164740.GY17484@dhcp22.suse.cz/

Cc: stable@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Link: https://lore.kernel.org/r/20190731175428.GA16736@embeddedor
Signed-off-by: Doug Ledford <dledford@redhat.com>
2019-08-01 12:14:15 -04:00
..
affinity.c sched/core: Provide a pointer to the valid CPU mask 2019-06-03 11:49:37 +02:00
affinity.h
aspm.c IB/hfi1: Reduce excessive aspm inlines 2019-06-28 22:34:26 -03:00
aspm.h IB/hfi1: Reduce excessive aspm inlines 2019-06-28 22:34:26 -03:00
chip.c IB/hfi1: Check for error on call to alloc_rsm_map_table 2019-07-22 14:57:54 -03:00
chip.h IB/hfi1: Correct tid qp rcd to match verbs context 2019-06-11 17:06:45 -03:00
chip_registers.h IB/hfi1: Add selected Rcv counters 2019-04-24 11:48:10 -03:00
common.h IB/hfi1: Remove reference to RHF.VCRCErr 2019-04-24 11:48:11 -03:00
debugfs.c IB/hfi1: No need to use try_module_get for debugfs 2019-06-28 22:34:26 -03:00
debugfs.h
device.c
device.h
driver.c IB/hfi1: Remove reference to RHF.VCRCErr 2019-04-24 11:48:11 -03:00
efivar.c
efivar.h
eprom.c
eprom.h
exp_rcv.c IB/hfi1: Remove WARN_ON when freeing expected receive groups 2019-04-03 15:27:30 -03:00
exp_rcv.h
fault.c IB/hfi1: Validate fault injection opcode user input 2019-06-11 17:06:37 -03:00
fault.h
file_ops.c
firmware.c
hfi.h IB/hfi1: Create inline to get extended headers 2019-06-17 21:15:40 -04:00
init.c IB/hfi1: Fix WQ_MEM_RECLAIM warning 2019-05-06 12:57:45 -03:00
intr.c
iowait.c IB/hfi1: Prioritize the sending of ACK packets 2019-02-05 18:07:44 -05:00
iowait.h IB/hfi1: Prioritize the sending of ACK packets 2019-02-05 18:07:44 -05:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
mad.c IB/hfi1: Use struct_size() helper 2019-05-30 15:40:50 -03:00
mad.h
Makefile IB/hfi1: Reduce excessive aspm inlines 2019-06-28 22:34:26 -03:00
mmu_rb.c
mmu_rb.h
msix.c
msix.h
opa_compat.h
opfn.c
opfn.h IB/hfi1: Make opfn.h self sufficient 2019-04-24 11:31:49 -03:00
pcie.c IB/hfi1: Reduce excessive aspm inlines 2019-06-28 22:34:26 -03:00
pio.c Linux 5.2-rc6 2019-06-28 21:18:23 -03:00
pio.h
pio_copy.c
platform.c
platform.h
qp.c IB/{rdmavt, hfi1, qib}: Add helpers to hide SWQE WR details 2019-06-28 22:34:26 -03:00
qp.h
qsfp.c
qsfp.h
rc.c IB/hfi1: Unreserve a flushed OPFN request 2019-07-22 14:57:55 -03:00
rc.h IB/hfi1: Delay the release of destination mr for TID RDMA WRITE DATA 2019-04-03 15:27:30 -03:00
ruc.c IB/{rdmavt, hfi1): Miscellaneous comment fixes 2019-04-24 11:31:48 -03:00
sdma.c Linux 5.2-rc6 2019-06-24 19:19:53 +02:00
sdma.h
sdma_txreq.h IB/hfi1: Prioritize the sending of ACK packets 2019-02-05 18:07:44 -05:00
sysfs.c
tid_rdma.c IB/hfi1: Drop all TID RDMA READ RESP packets after r_next_psn 2019-07-22 14:57:55 -03:00
tid_rdma.h IB/hfi1: Unify the software PSN check for TID RDMA READ/WRITE 2019-04-03 15:27:30 -03:00
trace.c
trace.h
trace_ctxts.h
trace_dbg.h IB/hfi1: Fix two format strings 2019-03-28 11:03:49 -03:00
trace_ibhdrs.h IB/hfi1: Add missing INVALIDATE opcodes for trace 2019-06-28 22:34:26 -03:00
trace_iowait.h
trace_misc.h
trace_mmu.h
trace_rc.h
trace_rx.h
trace_tid.h IB/hfi1: Unify the software PSN check for TID RDMA READ/WRITE 2019-04-03 15:27:30 -03:00
trace_tx.h
uc.c IB/{hfi1, qib, rdmavt}: Put qp in error state when cq is full 2019-06-28 22:34:26 -03:00
ud.c IB/{rdmavt, hfi1, qib}: Add helpers to hide SWQE WR details 2019-06-28 22:34:26 -03:00
user_exp_rcv.c IB/hfi1: Validate page aligned for a given virtual address 2019-05-29 12:56:05 -03:00
user_exp_rcv.h
user_pages.c RDMA: Convert put_page() to put_user_page*() 2019-05-27 20:11:11 -03:00
user_sdma.c IB/hfi1: Close PSM sdma_progress sleep window 2019-06-11 17:06:45 -03:00
user_sdma.h IB/hfi1: Close PSM sdma_progress sleep window 2019-06-11 17:06:45 -03:00
verbs.c IB/hfi1: Fix Spectre v1 vulnerability 2019-08-01 12:14:15 -04:00
verbs.h IB/hfi1: Use aborts to trigger RC throttling 2019-06-17 21:15:40 -04:00
verbs_txreq.c IB/hfi1: Silence txreq allocation warnings 2019-06-17 21:15:40 -04:00
verbs_txreq.h IB/hfi1: Silence txreq allocation warnings 2019-06-17 21:15:40 -04:00
vnic.h
vnic_main.c 5.2 Merge Window pull request 2019-05-09 09:02:46 -07:00
vnic_sdma.c IB/hfi1: Prioritize the sending of ACK packets 2019-02-05 18:07:44 -05:00