diff options
| author | Suresh Siddha <[email protected]> | 2012-07-31 10:29:14 -0700 |
|---|---|---|
| committer | H. Peter Anvin <[email protected]> | 2012-08-08 13:41:42 -0700 |
| commit | c6fd893da927c6cefb2ece22402765379921a834 (patch) | |
| tree | 0f9a7ab2e75aa1be2081a1241d6bd6ff96e6963f /tools/perf/util/trace-event-scripting.c | |
| parent | f4ba394c1b02e7fc2179fda8d3941a5b3b65efb6 (diff) | |
x86, avx: don't use avx instructions with "noxsave" boot param
Clear AVX, AVX2 features along with clearing XSAVE feature bits,
as part of the parsing "noxsave" parameter.
Fixes the kernel boot panic with "noxsave" boot parameter.
We could have checked cpu_has_osxsave along with cpu_has_avx etc, but Peter
mentioned clearing the feature bits will be better for uses like
static_cpu_has() etc.
Signed-off-by: Suresh Siddha <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Cc: <[email protected]> # v3.5
Signed-off-by: H. Peter Anvin <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions