Messages in this thread | | | Date | Tue, 24 May 2022 11:38:10 -0700 | Subject | Re: [PATCH] x86/resctrl: Fix to restore to original value when re-enabling hardware prefetch register | From | Reinette Chatre <> |
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On 5/17/2022 9:55 PM, Kohei Tarumizu wrote: > The current pseudo_lock.c code overwrites the value of the > MSR_MISC_FEATURE_CONTROL to 0 even if the original value is not 0. > Therefore, modify it to save and restore the original values. > > Fixes: 018961ae5579 ("x86/intel_rdt: Pseudo-lock region creation/removal core") > Fixes: 443810fe6160 ("x86/intel_rdt: Create debugfs files for pseudo-locking testing") > Fixes: 8a2fc0e1bc0c ("x86/intel_rdt: More precise L2 hit/miss measurements") > Signed-off-by: Kohei Tarumizu <tarumizu.kohei@fujitsu.com> > ---
Thank you very much for catching this.
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Reinette
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