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linux/arch/mips/include
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Jiaxun Yang f91955da81 MIPS: scall: Save thread_info.syscall unconditionally on entry 
[ Upstream commit 4370b673cc ]

thread_info.syscall is used by syscall_get_nr to supply syscall nr
over a thread stack frame.

Previously, thread_info.syscall is only saved at syscall_trace_enter
when syscall tracing is enabled. However rest of the kernel code do
expect syscall_get_nr to be available without syscall tracing. The
previous design breaks collect_syscall.

Move saving process to syscall entry to fix it.

Reported-by: Xi Ruoyao <xry111@xry111.site>
Link: https://github.com/util-linux/util-linux/issues/2867
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-05-17 12:02:15 +02:00
..
asm MIPS: scall: Save thread_info.syscall unconditionally on entry 2024-05-17 12:02:15 +02:00
uapi/asm - added support for TP-Link HC220 G5 v1 2023-06-29 15:01:51 -07:00