Nicholas Piggin b49c65c5f9 KVM: PPC: Book3S HV P9: Improve mfmsr performance on entry ...

Rearrange the MSR saving on entry so it does not follow the mtmsrd to
disable interrupts, avoiding a possible RAW scoreboard stall.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-46-npiggin@gmail.com

2021-11-24 21:09:02 +11:00

..

asm

KVM: PPC: Book3S HV P9: Improve mfmsr performance on entry

2021-11-24 21:09:02 +11:00

uapi/asm

powerpc/perf: Expose instruction and data address registers as part of extended regs

2021-10-12 18:39:02 +11:00