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3 Commits

Author SHA1 Message Date
Guo Ren 8e4bfbcc2d csky: Fixup abiv2 syscall_trace break a4 & a5 
[ Upstream commit e0bbb53843b5fdfe464b099217e3b9d97e8a75d7 ]

Current implementation could destory a4 & a5 when strace, so we need to get them
from pt_regs by SAVE_ALL.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-03-16 16:28:56 +08:00
Liu Yibin b7e3dda685 csky: Fixup remove duplicate irq_disable 
[ Upstream commit 6633a5aa8eb6bda70eb3a9837efd28a67ccc6e0a ]

Interrupt has been disabled in __schedule() with local_irq_disable()
and enabled in finish_task_switch->finish_lock_switch() with
local_irq_enabled(), So needn't to disable irq here.

Signed-off-by: Liu Yibin <jiulong@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2021-03-16 16:28:30 +08:00
Kaixu Xia 590eaf1fec Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
 2021-03-16 11:01:34 +08:00