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Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, amd: Include linux/elf.h since we use stuff from asm/elf.h
  x86: cache_info: Update calculation of AMD L3 cache indices
  x86: cache_info: Kill the atomic allocation in amd_init_l3_cache()
  x86: cache_info: Kill the moronic shadow struct
  x86: cache_info: Remove bogus free of amd_l3_cache data
  x86, amd: Include elf.h explicitly, prepare the code for the module.h split
  x86-32, amd: Move va_align definition to unbreak 32-bit build
  x86, amd: Move BSP code to cpu_dev helper
  x86: Add a BSP cpu_dev helper
  x86, amd: Avoid cache aliasing penalties on AMD family 15h
This commit is contained in:
Linus Torvalds 2011-10-28 05:03:12 -07:00
commit e34eb39c1c
10 changed files with 219 additions and 116 deletions
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13
Documentation/kernel-parameters.txt
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@ -307,6 +307,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
behaviour to be specified. Bit 0 enables warnings,
bit 1 enables fixups, and bit 2 sends a segfault.
align_va_addr= [X86-64]
Align virtual addresses by clearing slice [14:12] when
allocating a VMA at process creation time. This option
gives you up to 3% performance improvement on AMD F15h
machines (where it is enabled by default) for a
CPU-intensive style benchmark, and it can vary highly in
a microbenchmark depending on workload and compiler.
1: only for 32-bit processes
2: only for 64-bit processes
on: enable for both 32- and 64-bit processes
off: disable for both 32- and 64-bit processes
amd_iommu= [HW,X86-84]
Pass parameters to the AMD IOMMU driver in the system.
Possible values are: