On Mon, Dec 11, 2017 at 01:07:00PM +0100, Arnd Bergmann wrote: > Passing the register value by reference here leads a large amount of stack being > used when CONFIG_KASAN is enabled: > > drivers/crypto/qat/qat_common/qat_hal.c: In function 'qat_hal_exec_micro_inst.constprop': > drivers/crypto/qat/qat_common/qat_hal.c:963:1: error: the frame size of 1792 bytes is larger than 1536 bytes [-Werror=frame-larger-than=] > > Changing the register-read function to return the value instead reduces the stack > size to around 800 bytes, most of which is for the 'savuwords' array. The function > now no longer returns an error code, but nothing ever evaluated that anyway. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Patch applied. Thanks. -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
