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Patch series "mm/highmem: Fix fallout from generic kmap_local
conversions".
The kmap_local conversion wreckaged sparc, mips and powerpc as it missed
some of the details in the original implementation.
This patch (of 4):
The recent conversion to the generic kmap_local infrastructure failed to
assign the proper pre/post map/unmap flush operations for sparc.
Sparc requires cache flush before map/unmap and tlb flush afterwards.
Link: https://lkml.kernel.org/r/20210112170136.078559026@linutronix.de
Link: https://lkml.kernel.org/r/20210112170410.905976187@linutronix.de
Fixes: 3293efa978 ("sparc/mm/highmem: Switch to generic kmap atomic")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Andreas Larsson <andreas@gaisler.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Cercueil <paul@crapouillou.net>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
f99e02372a