Guo Ren f8e17c17b8 csky: Set regs->usp to kernel sp, when the exception is from kernel ... In the past, we didn't care about kernel sp when saving pt_reg. But in some cases, we still need pt_reg->usp to represent the kernel stack before enter exception. For cmpxhg in atomic.S, we need save and restore usp for above. Signed-off-by: Guo Ren <guoren@linux.alibaba.com>		2020-02-21 15:43:24 +08:00
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abiv1	csky: Set regs->usp to kernel sp, when the exception is from kernel	2020-02-21 15:43:24 +08:00
abiv2	csky: Set regs->usp to kernel sp, when the exception is from kernel	2020-02-21 15:43:24 +08:00
boot	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
configs	csky: defconfig	2018-10-25 23:36:19 +08:00
include	csky: Separate fixaddr_init from highmem	2020-02-21 15:43:24 +08:00
kernel	csky: Set regs->usp to kernel sp, when the exception is from kernel	2020-02-21 15:43:24 +08:00
lib	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
mm	csky/mm: Fixup export invalid_pte_table symbol	2020-02-21 15:43:24 +08:00
Kconfig	csky: Separate fixaddr_init from highmem	2020-02-21 15:43:24 +08:00
Kconfig.debug	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
Makefile	kconfig: make arch/*/configs/defconfig the default of KBUILD_DEFCONFIG	2019-06-09 15:08:18 +09:00