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| author |   Avi Kivity <avi@redhat.com> | 2010-05-06 11:45:46 +0300 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@zytor.com> | 2010-05-10 10:48:55 -0700 |
| commit | 86603283326c9e95e5ad4e9fdddeec93cac5d9ad (patch) | |
| tree | 1a26a37434e920f9519b547814a1a9af35022de8 /arch/x86/kernel/process_64.c | |
| parent | x86: Eliminate TS_XSAVE (diff) | |
| download | linux-dev-86603283326c9e95e5ad4e9fdddeec93cac5d9ad.tar.xz linux-dev-86603283326c9e95e5ad4e9fdddeec93cac5d9ad.zip | |
x86: Introduce 'struct fpu' and related API
Currently all fpu state access is through tsk->thread.xstate. Since we wish
to generalize fpu access to non-task contexts, wrap the state in a new
'struct fpu' and convert existing access to use an fpu API.
Signal frame handlers are not converted to the API since they will remain
task context only things.
Signed-off-by: Avi Kivity <avi@redhat.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
LKML-Reference: <1273135546-29690-3-git-send-email-avi@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/process_64.c')
| -rw-r--r-- | arch/x86/kernel/process_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 17cb3295cbf7..979215f51985 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -396,7 +396,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) /* we're going to use this soon, after a few expensive things */ if (preload_fpu) - prefetch(next->xstate); + prefetch(next->fpu.state); /* * Reload esp0, LDT and the page table pointer: |