linux_dsm_epyc7002/arch/x86/include
Linus Torvalds 26bef1318a x86, fpu, amd: Clear exceptions in AMD FXSAVE workaround
Before we do an EMMS in the AMD FXSAVE information leak workaround we
need to clear any pending exceptions, otherwise we trap with a
floating-point exception inside this code.

Reported-by: halfdog <me@halfdog.net>
Tested-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/CA%2B55aFxQnY_PCG_n4=0w-VG=YLXL-yr7oMxyy0WU2gCBAf3ydg@mail.gmail.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2014-01-11 19:15:52 -08:00
..
asm x86, fpu, amd: Clear exceptions in AMD FXSAVE workaround 2014-01-11 19:15:52 -08:00
uapi/asm More ACPI and power management updates for 3.13-rc1 2013-11-20 13:25:04 -08:00