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Linus Torvalds 79db4d2293 clang-lto series for v5.12-rc1 
- Clang LTO build infrastructure and arm64-specific enablement (Sami Tolvanen)
 - Recursive build CC_FLAGS_LTO fix (Alexander Lobakin)
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Merge tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull clang LTO updates from Kees Cook:
 "Clang Link Time Optimization.

  This is built on the work done preparing for LTO by arm64 folks,
  tracing folks, etc. This includes the core changes as well as the
  remaining pieces for arm64 (LTO has been the default build method on
  Android for about 3 years now, as it is the prerequisite for the
  Control Flow Integrity protections).

  While x86 LTO enablement is done, it depends on some pending objtool
  clean-ups. It's possible that I'll send a "part 2" pull request for
  LTO that includes x86 support.

  For merge log posterity, and as detailed in commit dc5723b02e
  ("kbuild: add support for Clang LTO"), here is the lt;dr to do an LTO
  build:

        make LLVM=1 LLVM_IAS=1 defconfig
        scripts/config -e LTO_CLANG_THIN
        make LLVM=1 LLVM_IAS=1

  (To do a cross-compile of arm64, add "CROSS_COMPILE=aarch64-linux-gnu-"
  and "ARCH=arm64" to the "make" command lines.)

  Summary:

   - Clang LTO build infrastructure and arm64-specific enablement (Sami
     Tolvanen)

   - Recursive build CC_FLAGS_LTO fix (Alexander Lobakin)"

* tag 'clang-lto-v5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  kbuild: prevent CC_FLAGS_LTO self-bloating on recursive rebuilds
  arm64: allow LTO to be selected
  arm64: disable recordmcount with DYNAMIC_FTRACE_WITH_REGS
  arm64: vdso: disable LTO
  drivers/misc/lkdtm: disable LTO for rodata.o
  efi/libstub: disable LTO
  scripts/mod: disable LTO for empty.c
  modpost: lto: strip .lto from module names
  PCI: Fix PREL32 relocations for LTO
  init: lto: fix PREL32 relocations
  init: lto: ensure initcall ordering
  kbuild: lto: add a default list of used symbols
  kbuild: lto: merge module sections
  kbuild: lto: limit inlining
  kbuild: lto: fix module versioning
  kbuild: add support for Clang LTO
  tracing: move function tracer options to Kconfig
 		2021-02-23 09:28:51 -08:00
..
acpi IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
asm-generic clang-lto series for v5.12-rc1 2021-02-23 09:28:51 -08:00
clocksource
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crypto crypto - shash: reduce minimum alignment of shash_desc structure 2021-01-22 14:58:01 +11:00
drm - WARN if plane src coords are too big (Ville) 2021-02-04 12:57:28 +10:00
dt-bindings IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
keys
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kunit
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kvm KVM: arm64: Replace KVM_ARM_PMU with HW_PERF_EVENTS 2021-01-04 16:50:16 +00:00
linux clang-lto series for v5.12-rc1 2021-02-23 09:28:51 -08:00
math-emu
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media Fixes around VM_FPNMAP and follow_pfn 2021-02-22 17:45:02 -08:00
memory
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misc
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net Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2021-02-17 13:19:24 -08:00
pcmcia
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ras
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rdma RDMA/ipoib: Remove racy Subnet Manager sendonly join checks 2021-02-16 14:42:58 -04:00
scsi scsi: libsas: Remove temporarily-added _gfp() API variants 2021-01-22 21:31:10 -05:00
soc IOMMU Updates for Linux v5.12 2021-02-22 10:31:29 -08:00
sound ASoC: Updates for v5.12 2021-02-17 21:16:27 +01:00
target scsi: target: core: Change ASCQ for residual write 2021-01-26 23:12:18 -05:00
trace Merge branch 'for-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2021-02-22 17:06:54 -08:00
uapi RDMA 5.12 merge window pull request 2021-02-22 10:27:48 -08:00
vdso
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video
…
xen x86: 2021-02-21 13:31:43 -08:00