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(parent: 38873c2) | patch
powerpc/64s/radix: keep kernel ERAT over local process/guest invalidates
authorNicholas Piggin <npiggin@gmail.com>
Sun, 23 Jun 2019 10:41:52 +0000 (20:41 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Wed, 3 Jul 2019 05:19:35 +0000 (15:19 +1000)
commitebdb7d2138c6bbb0c5402b4e0d83b068a582cf42
treef22e81131e6077f2687ab6c776be8eb5c057783etree | snapshot
parent38873c2c72eb0dfb04b97ddf093e71b56e8149a2commit | diff
powerpc/64s/radix: keep kernel ERAT over local process/guest invalidates

ISA v3.0 radix modes provide SLBIA variants which can invalidate ERAT
for effPID!=0 or for effLPID!=0, which allows user and guest
invalidations to retain kernel/host ERAT entries.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/ppc-opcode.h diff | blob | history
arch/powerpc/kvm/book3s_hv_builtin.c diff | blob | history
arch/powerpc/mm/book3s64/radix_tlb.c diff | blob | history
Linux Kernel Source Tree.