<sys/platform/x86.h>: Add RTM_FORCE_ABORT support
authorH.J. Lu <hjl.tools@gmail.com>
Wed, 5 Apr 2023 16:21:31 +0000 (09:21 -0700)
committerH.J. Lu <hjl.tools@gmail.com>
Wed, 5 Apr 2023 21:46:10 +0000 (14:46 -0700)
Add RTM_FORCE_ABORT support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
manual/platform.texi
sysdeps/x86/bits/platform/x86.h
sysdeps/x86/tst-get-cpu-features.c

index 4453f6e..2ab687c 100644 (file)
@@ -540,6 +540,9 @@ capability.
 @code{RTM_ALWAYS_ABORT} -- Transactions always abort, making RTM unusable.
 
 @item
+@code{RTM_FORCE_ABORT} -- TSX_FORCE_ABORT MSR.
+
+@item
 @code{SDBG} -- IA32_DEBUG_INTERFACE MSR for silicon debug.
 
 @item
index ee5be81..6d9dd6d 100644 (file)
@@ -213,7 +213,7 @@ enum
   x86_cpu_MD_CLEAR             = x86_cpu_index_7_edx + 10,
   x86_cpu_RTM_ALWAYS_ABORT     = x86_cpu_index_7_edx + 11,
   x86_cpu_INDEX_7_EDX_12       = x86_cpu_index_7_edx + 12,
-  x86_cpu_INDEX_7_EDX_13       = x86_cpu_index_7_edx + 13,
+  x86_cpu_RTM_FORCE_ABORT      = x86_cpu_index_7_edx + 13,
   x86_cpu_SERIALIZE            = x86_cpu_index_7_edx + 14,
   x86_cpu_HYBRID               = x86_cpu_index_7_edx + 15,
   x86_cpu_TSXLDTRK             = x86_cpu_index_7_edx + 16,
index 1979da2..8b7e70a 100644 (file)
@@ -162,6 +162,7 @@ do_test (void)
   CHECK_CPU_FEATURE_PRESENT (AVX512_VP2INTERSECT);
   CHECK_CPU_FEATURE_PRESENT (MD_CLEAR);
   CHECK_CPU_FEATURE_PRESENT (RTM_ALWAYS_ABORT);
+  CHECK_CPU_FEATURE_PRESENT (RTM_FORCE_ABORT);
   CHECK_CPU_FEATURE_PRESENT (SERIALIZE);
   CHECK_CPU_FEATURE_PRESENT (HYBRID);
   CHECK_CPU_FEATURE_PRESENT (TSXLDTRK);