Re: [patch 3/4] mips/mm/highmem: Use set_pte() for kmap_local()
From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Date: 2021-01-13 11:00:52
Also in:
linux-mm, lkml, sparclinux
On Tue, Jan 12, 2021 at 06:01:39PM +0100, Thomas Gleixner wrote:
set_pte_at() on MIPS invokes update_cache() which might recurse into
kmap_local(). Use set_pte() like the original MIPS highmem implementation
did.
Fixes: a4c33e83bca1 ("mips/mm/highmem: Switch to generic kmap atomic")
Reported-by: Paul Cercueil <paul@crapouillou.net>
Reported-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Thomas Gleixner <redacted>
---
arch/mips/include/asm/highmem.h | 1 +
1 file changed, 1 insertion(+)Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]