Messages in this thread | | | From | Linus Walleij <> | Date | Sun, 27 Sep 2020 11:25:25 +0200 | Subject | Re: [PATCH 1/9] mm/maccess: fix unaligned copy_{from,to}_kernel_nofault |
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On Mon, Sep 7, 2020 at 5:37 PM Arnd Bergmann <arnd@arndb.de> wrote:
> 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. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
That's a clever optimization idea, nice! Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Yours, Linus Walleij
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