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Merge tag 'csky-for-linus-6.5' of https://github.com/c-sky/csky-linux

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Pull arch/csky update from Guo Ren:

 - Correct thread.trap_no restore of uprobe

* tag 'csky-for-linus-6.5' of https://github.com/c-sky/csky-linux:
  csky: uprobes: Restore thread.trap_no
This commit is contained in:
Linus Torvalds
2023-07-01 21:12:32 -07:00
parent dfab92f27c dd64621a2a
commit 995b406c7e
1 changed files with 3 additions and 0 deletions
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3
arch/csky/kernel/probes/uprobes.c
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@@ -64,6 +64,7 @@ int arch_uprobe_post_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
struct uprobe_task *utask = current->utask;
WARN_ON_ONCE(current->thread.trap_no != UPROBE_TRAP_NR);
current->thread.trap_no = utask->autask.saved_trap_no;
instruction_pointer_set(regs, utask->vaddr + auprobe->insn_size);
@@ -101,6 +102,8 @@ void arch_uprobe_abort_xol(struct arch_uprobe *auprobe, struct pt_regs *regs)
{
struct uprobe_task *utask = current->utask;
current->thread.trap_no = utask->autask.saved_trap_no;
/*
* Task has received a fatal signal, so reset back to probed
* address.