[Rejected] Re: [Maverick] [PATCH 0/6] xsaveopt instruction support
Leann Ogasawara
leann.ogasawara at canonical.com
Tue Sep 14 20:01:18 UTC 2010
Rejecting for Maverick. We'll get this automatically in Natty.
Thanks,
Leann
On Mon, 2010-08-23 at 18:58 -0700, leann.ogasawara at canonical.com wrote:
> It's been requested that we provide xsaveopt instruction support in
> Maverick which can be leveraged by Intel Sandy Bridge. This is a new
> feature to improve performance of the XSAVE operation by reducing the
> amount of data written during an XSAVE operation. All patches are
> currently upstream in 2.6.35-rc1. Proposing these for Maverick.
>
> Thanks,
> Leann
>
> Suresh Siddha (6):
> x86, cpu: Make init_scattered_cpuid_features() consider cpuid
> subleaves
> x86, cpu: Add xsaveopt cpufeature
> x86, cpu: Enumerate xsaveopt
> x86, xsave: Track the offset, size of state in the xsave layout
> x86, xsave: Sync xsave memory layout with its header for user
> handling
> x86, xsave: Use xsaveopt in context-switch path when supported
>
> arch/x86/include/asm/cpufeature.h | 1 +
> arch/x86/include/asm/i387.h | 14 ++++
> arch/x86/include/asm/xsave.h | 19 ++++-
> arch/x86/kernel/cpu/addon_cpuid_features.c | 24 +++---
> arch/x86/kernel/cpu/common.c | 8 ++
> arch/x86/kernel/i387.c | 11 +++
> arch/x86/kernel/xsave.c | 116 ++++++++++++++++++++++++++++
> 7 files changed, 179 insertions(+), 14 deletions(-)
>
>
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