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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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de0b65a786
On read, we don't need to sync the whole scatterlist and then check whether any segments need copying - if we check first, we avoid potentially expensive cache handling. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Markus Pargmann <mpa@pengutronix.de> Tested-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net> |
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