Max Filippov 61a6b91283 xtensa: don't use a12 in __xtensa_copy_user in call0 ABI ... a12 is callee-saved register in xtensa call0 ABI, so a function must not change it. The main unaligned copy loop of __xtensa_copy_user uses all low-numbered registers, so a register must be spilled to avoid using a12 as a loop counter. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>		2021-10-18 22:19:34 -07:00
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checksum.S	xtensa: propagate the calling conventions change down into csum_partial_copy_generic()	2020-08-20 15:45:21 -04:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
memcopy.S	xtensa: abstract 'entry' and 'retw' in assembly code	2019-07-08 10:04:48 -07:00
memset.S	xtensa: abstract 'entry' and 'retw' in assembly code	2019-07-08 10:04:48 -07:00
pci-auto.c	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152	2019-05-30 11:26:32 -07:00
strncpy_user.S	xtensa: don't use a12 in strncpy_user	2021-10-18 22:19:34 -07:00
strnlen_user.S	xtensa: abstract 'entry' and 'retw' in assembly code	2019-07-08 10:04:48 -07:00
usercopy.S	xtensa: don't use a12 in __xtensa_copy_user in call0 ABI	2021-10-18 22:19:34 -07:00