diff options
Diffstat (limited to 'debian/patches/bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch')
-rw-r--r-- | debian/patches/bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/debian/patches/bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch b/debian/patches/bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch new file mode 100644 index 000000000..7bb1f3261 --- /dev/null +++ b/debian/patches/bugfix/x86/gds/documentation-x86-fix-backwards-on-off-logic-about-ymm-support.patch @@ -0,0 +1,31 @@ +From 1b0fc0345f2852ffe54fb9ae0e12e2ee69ad6a20 Mon Sep 17 00:00:00 2001 +From: Dave Hansen <dave.hansen@linux.intel.com> +Date: Tue, 1 Aug 2023 07:31:07 -0700 +Subject: Documentation/x86: Fix backwards on/off logic about YMM support + +From: Dave Hansen <dave.hansen@linux.intel.com> + +commit 1b0fc0345f2852ffe54fb9ae0e12e2ee69ad6a20 upstream + +These options clearly turn *off* XSAVE YMM support. Correct the +typo. + +Reported-by: Ben Hutchings <ben@decadent.org.uk> +Fixes: 553a5c03e90a ("x86/speculation: Add force option to GDS mitigation") +Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + Documentation/admin-guide/hw-vuln/gather_data_sampling.rst | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst ++++ b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst +@@ -63,7 +63,7 @@ GDS can also be mitigated on systems tha + disabling AVX. This can be done by setting gather_data_sampling="force" or + "clearcpuid=avx" on the kernel command-line. + +-If used, these options will disable AVX use by turning on XSAVE YMM support. ++If used, these options will disable AVX use by turning off XSAVE YMM support. + However, the processor will still enumerate AVX support. Userspace that + does not follow proper AVX enumeration to check both AVX *and* XSAVE YMM + support will break. |