Re: [PATCH 1/9] mm/maccess: fix unaligned copy_{from, to}_kernel_nofault
From: Linus Walleij <hidden>
Date: 2020-11-06 08:57:41
Also in:
linux-arch, linux-mm, lkml
On Fri, Oct 30, 2020 at 4:49 PM Arnd Bergmann [off-list ref] wrote:
From: Arnd Bergmann <arnd@arndb.de> On machines such as ARMv5 that trap unaligned accesses, these two functions can be slow when each access needs to be emulated, or they might not work at all. Change them so that each loop is only used when both the src and dst pointers are naturally aligned. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <redacted> Yours, Linus Walleij _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel