Kan Liang ee28855a54 perf/x86/intel: Increase max number of the fixed counters ... The new PEBS format 5 implies that the number of the fixed counters can be up to 16. The current INTEL_PMC_MAX_FIXED is still 4. If the current kernel runs on a future platform which has more than 4 fixed counters, a warning will be triggered. The number of the fixed counters will be clipped to 4. Users have to upgrade the kernel to access the new fixed counters. Add a new default constraint for PerfMon v5 and up, which can support up to 16 fixed counters. The pseudo-encoding is applied for the fixed counters 4 and later. The user can have generic support for the new fixed counters on the future platfroms without updating the kernel. Increase the INTEL_PMC_MAX_FIXED to 16. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Andi Kleen <ak@linux.intel.com> Link: https://lkml.kernel.org/r/1643750603-100733-3-git-send-email-kan.liang@linux.intel.com		2022-02-02 13:11:44 +01:00
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asm	perf/x86/intel: Increase max number of the fixed counters	2022-02-02 13:11:44 +01:00
uapi/asm	KVM: x86: add system attribute to retrieve full set of supported xsave states	2022-01-28 07:33:32 -05:00