]> git.baikalelectronics.ru Git - kernel.git/commit
mips/mm/highmem: use set_pte() for kmap_local()
authorThomas Gleixner <tglx@linutronix.de>
Sun, 24 Jan 2021 05:02:07 +0000 (21:02 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sun, 24 Jan 2021 18:34:52 +0000 (10:34 -0800)
commit064af2d26a8b1d1e2dd9c5318691dfb5394a9634
tree91dd9c03fa3c93c8b1255f995e3b040e79aa73ec
parente3671705758ceab2332478f7869ed1818cd6f321
mips/mm/highmem: use set_pte() for kmap_local()

set_pte_at() on MIPS invokes update_cache() which might recurse into
kmap_local().

Use set_pte() like the original MIPS highmem implementation did.

Link: https://lkml.kernel.org/r/20210112170411.187513575@linutronix.de
Fixes: 597814087b16 ("mips/mm/highmem: Switch to generic kmap atomic")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Paul Cercueil <paul@crapouillou.net>
Reported-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/mips/include/asm/highmem.h