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| author | Suresh Siddha <suresh.b.siddha@intel.com> | 2012-08-24 21:12:59 (GMT) |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2012-09-18 22:52:07 (GMT) |
| commit | 9c1c3fac53378c9782c18f80107965578d7b7167 (patch) | |
| tree | cc5ad4b2b895f4152606042b4b150455e333e2a8 /arch/x86/include | |
| parent | 377ffbcc536a5a6666dc077395163ab149c02610 (diff) | |
| download | linux-fsl-qoriq-9c1c3fac53378c9782c18f80107965578d7b7167.tar.xz | |
x86, kvm: use kernel_fpu_begin/end() in kvm_load/put_guest_fpu()
kvm's guest fpu save/restore should be wrapped around
kernel_fpu_begin/end(). This will avoid for example taking a DNA
in kvm_load_guest_fpu() when it tries to load the fpu immediately
after doing unlazy_fpu() on the host side.
More importantly this will prevent the host process fpu from being
corrupted.
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1345842782-24175-4-git-send-email-suresh.b.siddha@intel.com
Cc: Avi Kivity <avi@redhat.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include')
0 files changed, 0 insertions, 0 deletions