| commit | 8c16dc047b5dd8f7b3bf4584fa75733ea0dde7dc | [log] [tgz] |
|---|---|---|
| author | Andi Kleen <ak@linux.intel.com> | Wed Dec 15 12:40:29 2021 -0800 |
| committer | Peter Zijlstra <peterz@infradead.org> | Tue Jan 18 12:09:49 2022 +0100 |
| tree | fda5f034b2e7c8d18ee79a72d1c09a239ab88aaf | |
| parent | 5a4487f9ef5ef2fdb3215cadf0a9c3e5e8678634 [diff] |
x86/perf: Avoid warning for Arch LBR without XSAVE Some hypervisors support Arch LBR, but without the LBR XSAVE support. The current Arch LBR init code prints a warning when the xsave size (0) is unexpected. Avoid printing the warning for the "no LBR XSAVE" case. Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20211215204029.150686-1-ak@linux.intel.com