x86: Don't check PTWRITE in tst-cpu-features-cpuinfo.c
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Commit Message
Don't check PTWRITE against /proc/cpuinfo since kernel doesn't report
PTWRITE in /proc/cpuinfo.
---
sysdeps/x86/tst-cpu-features-cpuinfo.c | 3 +++
1 file changed, 3 insertions(+)
Comments
On Wed, Jan 26, 2022 at 12:28 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> Don't check PTWRITE against /proc/cpuinfo since kernel doesn't report
> PTWRITE in /proc/cpuinfo.
> ---
> sysdeps/x86/tst-cpu-features-cpuinfo.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/sysdeps/x86/tst-cpu-features-cpuinfo.c b/sysdeps/x86/tst-cpu-features-cpuinfo.c
> index 91a656b61d..981b2be5fd 100644
> --- a/sysdeps/x86/tst-cpu-features-cpuinfo.c
> +++ b/sysdeps/x86/tst-cpu-features-cpuinfo.c
> @@ -218,7 +218,10 @@ do_test (int argc, char **argv)
> fails += CHECK_PROC (popcnt, POPCNT);
> fails += CHECK_PROC (3dnowprefetch, PREFETCHW);
> fails += CHECK_PROC (prefetchwt1, PREFETCHWT1);
> +#if 0
> + /* NB: /proc/cpuinfo doesn't report this feature. */
> fails += CHECK_PROC (ptwrite, PTWRITE);
> +#endif
> fails += CHECK_PROC (pse, PSE);
> fails += CHECK_PROC (pse36, PSE_36);
> fails += CHECK_PROC (psn, PSN);
> --
> 2.34.1
>
I will check in this next Monday to fix the test on Intel Alder Lake.
@@ -218,7 +218,10 @@ do_test (int argc, char **argv)
fails += CHECK_PROC (popcnt, POPCNT);
fails += CHECK_PROC (3dnowprefetch, PREFETCHW);
fails += CHECK_PROC (prefetchwt1, PREFETCHWT1);
+#if 0
+ /* NB: /proc/cpuinfo doesn't report this feature. */
fails += CHECK_PROC (ptwrite, PTWRITE);
+#endif
fails += CHECK_PROC (pse, PSE);
fails += CHECK_PROC (pse36, PSE_36);
fails += CHECK_PROC (psn, PSN);