| commit | 26bef1318adc1b3a530ecc807ef99346db2aa8b0 | [log] [tgz] |
|---|---|---|
| author | Linus Torvalds <torvalds@linux-foundation.org> | Sat Jan 11 19:15:52 2014 -0800 |
| committer | H. Peter Anvin <hpa@zytor.com> | Sat Jan 11 19:15:52 2014 -0800 |
| tree | d7fe46fa037ee060ce9fced2ccc5014d5552f6ea | |
| parent | 1739f09e33d8f66bf48ddbc3eca615574da6c4f6 [diff] |
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>