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authorTiezhu Yang <yangtiezhu@loongson.cn>2023-04-23 09:38:03 +0800
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2023-04-24 13:31:44 +0200
commit46e614cc91f7bd6f7872e434e6bcfda44454aac3 (patch)
tree343be2adca0096ead02cb6124c657839db71cd6a
parent1492c6b1874ac5ed57d8ffef89e2b5c59f804aa8 (diff)
MIPS: uprobes: Restore thread.trap_nr
thread.trap_nr is saved in arch_uprobe_pre_xol(), it should be restored in arch_uprobe_{post,abort}_xol() accordingly, actually it was only done in the post function, just do it in the abort function too, this change is similar with x86 and powerpc. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
-rw-r--r--arch/mips/kernel/uprobes.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c
index 6b630ed4438d..401b148f8917 100644
--- a/arch/mips/kernel/uprobes.c
+++ b/arch/mips/kernel/uprobes.c
@@ -191,6 +191,7 @@ void arch_uprobe_abort_xol(struct arch_uprobe *aup,
{
struct uprobe_task *utask = current->utask;
+ current->thread.trap_nr = utask->autask.saved_trap_nr;
instruction_pointer_set(regs, utask->vaddr);
}