mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-03 15:55:38 +00:00
![]() Instead of exporting the very low-level internals of the FPU state save/restore code (ie things like 'fpu_owner_task'), we should export the higher-level interfaces. Inlining these things is pointless anyway: sure, sometimes the end result is small, but while 'stts()' can result in just three x86 instructions, those are not cheap instructions (writing %cr0 is a serializing instruction and a very slow one at that). So the overhead of a function call is not noticeable, and we really don't want random modules mucking about with our internal state save logic anyway. So this unexports 'fpu_owner_task', and instead uninlines and exports the actual functions that modules can use: fpu_kernel_begin/end() and unlazy_fpu(). Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1202211339590.5354@i5.linux-foundation.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> |
||
---|---|---|
.. | ||
mcheck | ||
mtrr | ||
.gitignore | ||
amd.c | ||
bugs.c | ||
bugs_64.c | ||
centaur.c | ||
common.c | ||
cpu.h | ||
cyrix.c | ||
hypervisor.c | ||
intel.c | ||
intel_cacheinfo.c | ||
Makefile | ||
mkcapflags.pl | ||
mshyperv.c | ||
perf_event.c | ||
perf_event.h | ||
perf_event_amd.c | ||
perf_event_amd_ibs.c | ||
perf_event_intel.c | ||
perf_event_intel_ds.c | ||
perf_event_intel_lbr.c | ||
perf_event_p4.c | ||
perf_event_p6.c | ||
perfctr-watchdog.c | ||
powerflags.c | ||
proc.c | ||
rdrand.c | ||
scattered.c | ||
sched.c | ||
topology.c | ||
transmeta.c | ||
umc.c | ||
vmware.c |