efi: capsule: use atomic kmap for transient sglist mappings

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Don't use the heavy-weight kmap() API to create short-lived mappings
of the scatter-gather list entries that are released as soon as the
entries are written. Instead, use kmap_atomic(), which is more suited
to this purpose.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

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Ard Biesheuvel 2020-12-07 17:33:33 +01:00

parent b283477d39

commit 91c1c092f2

1 changed files with 2 additions and 2 deletions

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drivers/firmware/efi/capsule.c

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