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powerpc/mm/book3s64/radix: Off-load TLB invalidations to host when !GTSE
authorNicholas Piggin <npiggin@gmail.com>
Fri, 3 Jul 2020 05:36:08 +0000 (11:06 +0530)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 16 Jul 2020 03:00:21 +0000 (13:00 +1000)
commitdd3d9aa5589c52efaec12ffeb84f0f5f8208fbc3
treeb2b381b64147e558fbb1923948d262b77862fde7tree | snapshot
parentb6c84175078ff022b343b7b0737aeb33001ca90ccommit | diff
powerpc/mm/book3s64/radix: Off-load TLB invalidations to host when !GTSE

When platform doesn't support GTSE, let TLB invalidation requests
for radix guests be off-loaded to the host using H_RPT_INVALIDATE
hcall.

[hcall wrapper, error path handling and renames]

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200703053608.12884-4-bharata@linux.ibm.com
arch/powerpc/include/asm/book3s/64/tlbflush-radix.h diff | blob | history
arch/powerpc/include/asm/hvcall.h diff | blob | history
arch/powerpc/include/asm/plpar_wrappers.h diff | blob | history
arch/powerpc/mm/book3s64/radix_tlb.c diff | blob | history
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