Re: [PATCH] ARM: add BUILD_BUG_ON to check if fixmap range spans multiple pmds
From: Linus Walleij <hidden>
Date: 2021-10-24 21:44:47
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On Wed, Oct 20, 2021 at 7:50 AM [off-list ref] wrote:
From: Quanyang Wang <redacted> Not only the early fixmap range, but also the fixmap range should be checked if it spans multiple pmds. When enabling CONFIG_DEBUG_HIGHMEM, some systems which contain up to 16 CPUs will crash. Signed-off-by: Quanyang Wang <redacted>
Looks reasonable to me. Reviewed-by: Linus Walleij <redacted> Please submit this patch into Russell's patch tracker. Yours, Linus Walleij _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel