diff options
| author | Borislav Petkov <bp@suse.de> | 2014-06-24 13:25:03 +0200 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-07-14 12:21:39 -0700 |
| commit | 80a208bd3948aceddf0429bd9f9b4cd858d526df (patch) | |
| tree | 06bd3dd2f9f6d73ce63da9852ca7d8d57f9599c6 /arch/x86/kernel/cpu/proc.c | |
| parent | 9b13a93df267af681a66a6a738bf1af10102da7d (diff) | |
| download | linux-80a208bd3948aceddf0429bd9f9b4cd858d526df.tar.bz2 | |
x86/cpufeature: Add bug flags to /proc/cpuinfo
Dump the flags which denote we have detected and/or have applied bug
workarounds to the CPU we're executing on, in a similar manner to the
feature flags.
The advantage is that those are not accumulating over time like the CPU
features.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/1403609105-8332-2-git-send-email-bp@alien8.de
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/cpu/proc.c')
| -rw-r--r-- | arch/x86/kernel/cpu/proc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c index 06fe3ed8b851..5433658e598d 100644 --- a/arch/x86/kernel/cpu/proc.c +++ b/arch/x86/kernel/cpu/proc.c @@ -97,6 +97,14 @@ static int show_cpuinfo(struct seq_file *m, void *v) if (cpu_has(c, i) && x86_cap_flags[i] != NULL) seq_printf(m, " %s", x86_cap_flags[i]); + seq_printf(m, "\nbugs\t\t:"); + for (i = 0; i < 32*NBUGINTS; i++) { + unsigned int bug_bit = 32*NCAPINTS + i; + + if (cpu_has_bug(c, bug_bit) && x86_bug_flags[i]) + seq_printf(m, " %s", x86_bug_flags[i]); + } + seq_printf(m, "\nbogomips\t: %lu.%02lu\n", c->loops_per_jiffy/(500000/HZ), (c->loops_per_jiffy/(5000/HZ)) % 100); |