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| author | Jiri Olsa <jolsa@kernel.org> | 2025-07-20 13:21:17 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-08-21 20:09:20 +0200 |
| commit | 18a111256a0b4fedfe47101f084441a84d7e357a (patch) | |
| tree | 879d77eeccd34927482bc6d0cf2e3c9321c26795 /include/linux/uprobes.h | |
| parent | ec46350fe1e2338f42ee84974c36b25afe8ba53a (diff) | |
| download | lwn-18a111256a0b4fedfe47101f084441a84d7e357a.tar.gz lwn-18a111256a0b4fedfe47101f084441a84d7e357a.zip | |
uprobes: Add do_ref_ctr argument to uprobe_write function
Making update_ref_ctr call in uprobe_write conditional based
on do_ref_ctr argument. This way we can use uprobe_write for
instruction update without doing ref_ctr_offset update.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250720112133.244369-8-jolsa@kernel.org
Diffstat (limited to 'include/linux/uprobes.h')
| -rw-r--r-- | include/linux/uprobes.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h index 518b26756469..5080619560d4 100644 --- a/include/linux/uprobes.h +++ b/include/linux/uprobes.h @@ -200,7 +200,7 @@ extern unsigned long uprobe_get_trap_addr(struct pt_regs *regs); extern int uprobe_write_opcode(struct arch_uprobe *auprobe, struct vm_area_struct *vma, unsigned long vaddr, uprobe_opcode_t, bool is_register); extern int uprobe_write(struct arch_uprobe *auprobe, struct vm_area_struct *vma, const unsigned long opcode_vaddr, - uprobe_opcode_t *insn, int nbytes, uprobe_write_verify_t verify, bool is_register); + uprobe_opcode_t *insn, int nbytes, uprobe_write_verify_t verify, bool is_register, bool do_update_ref_ctr); extern struct uprobe *uprobe_register(struct inode *inode, loff_t offset, loff_t ref_ctr_offset, struct uprobe_consumer *uc); extern int uprobe_apply(struct uprobe *uprobe, struct uprobe_consumer *uc, bool); extern void uprobe_unregister_nosync(struct uprobe *uprobe, struct uprobe_consumer *uc); |