[Bug dynamic-link/27346] x86: PTWRITE feature check is missing
hjl.tools at gmail dot com
sourceware-bugzilla@sourceware.org
Thu Mar 18 15:05:03 GMT 2021
https://sourceware.org/bugzilla/show_bug.cgi?id=27346
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Target Milestone|--- |2.34
Resolution|--- |FIXED
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
Fixed on master by
commit 5ab25c88758810269607a066fcac399e29863510
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Thu Feb 4 10:39:34 2021 -0800
x86: Add PTWRITE feature detection [BZ #27346]
1. Add CPUID_INDEX_14_ECX_0 for CPUID leaf 0x14 to detect PTWRITE feature
in EBX of CPUID leaf 0x14 with ECX == 0.
2. Add PTWRITE detection to CPU feature tests.
3. Add 2 static CPU feature tests.
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