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authorThomas Gleixner <tglx@linutronix.de>2020-04-21 11:20:30 +0200
committerBorislav Petkov <bp@suse.de>2020-04-24 19:01:17 +0200
commitcb2a02355b042ec3ef11d0ba2a46742678e41632 (patch)
tree618c7b32b616ef12f39858249b6f67581dd16029 /arch/x86/include/asm/percpu.h
parentd8f0b35331c4423e033f81f10eb5e0c7e4e1dcec (diff)
x86/cr4: Sanitize CR4.PCE update
load_mm_cr4_irqsoff() is really a strange name for a function which has only one purpose: Update the CR4.PCE bit depending on the perf state. Rename it to update_cr4_pce_mm(), move it into the tlb code and provide a function which can be invoked by the perf smp function calls. Another step to remove exposure of cpu_tlbstate. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20200421092559.049499158@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
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