powerpc/mm/book3s64/radix: Off-load TLB invalidations to host when !GTSE

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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

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This commit is contained in:

Nicholas Piggin 2020-07-03 11:06:08 +05:30 • committed by Michael Ellerman

parent b6c8417507

commit dd3d9aa558

4 changed files with 175 additions and 8 deletions

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15

arch/powerpc/include/asm/book3s/64/tlbflush-radix.h

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34

arch/powerpc/include/asm/hvcall.h

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52

arch/powerpc/include/asm/plpar_wrappers.h

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82

arch/powerpc/mm/book3s64/radix_tlb.c

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