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powerpc/mm/highmem: use __set_pte_at() for kmap_local()

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The original PowerPC highmem mapping function used __set_pte_at() to
denote that the mapping is per CPU.  This got lost with the conversion
to the generic implementation.

Override the default map function.

Link: https://lkml.kernel.org/r/20210112170411.281464308@linutronix.de
Fixes: 47da42b27a ("powerpc/mm/highmem: Switch to generic kmap atomic")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Thomas Gleixner 2021-01-23 21:02:11 -08:00 committed by Linus Torvalds
parent 8c0d5d78f3
commit 785025820a
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/include/asm/highmem.h
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@ -58,6 +58,8 @@ extern pte_t *pkmap_page_table;
#define flush_cache_kmaps() flush_cache_all()
#define arch_kmap_local_set_pte(mm, vaddr, ptep, ptev) \
__set_pte_at(mm, vaddr, ptep, ptev, 1)
#define arch_kmap_local_post_map(vaddr, pteval) \
local_flush_tlb_page(NULL, vaddr)
#define arch_kmap_local_post_unmap(vaddr) \