[tip: perf/core] arm/uprobes: use kmap_local_page() in arch_uprobe_copy_ixol()

From: tip-bot2 for Keke Ming

Date: Mon Jan 12 2026 - 03:02:57 EST


The following commit has been merged into the perf/core branch of tip:

Commit-ID: 1752a1ad43a1d4fd450a8ef5f8d240f9e228e0a3
Gitweb: https://git.kernel.org/tip/1752a1ad43a1d4fd450a8ef5f8d240f9e228e0a3
Author: Keke Ming <ming.jvle@xxxxxxxxx>
AuthorDate: Sat, 03 Jan 2026 16:42:42 +08:00
Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Tue, 06 Jan 2026 16:34:27 +01:00

arm/uprobes: use kmap_local_page() in arch_uprobe_copy_ixol()

Replace deprecated kmap_atomic() with kmap_local_page().

Signed-off-by: Keke Ming <ming.jvle@xxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Link: https://patch.msgid.link/20260103084243.195125-5-ming.jvle@xxxxxxxxx
---
arch/arm/probes/uprobes/core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/probes/uprobes/core.c b/arch/arm/probes/uprobes/core.c
index 3d96fb4..0e1c6b9 100644
--- a/arch/arm/probes/uprobes/core.c
+++ b/arch/arm/probes/uprobes/core.c
@@ -113,7 +113,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm,
void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
void *src, unsigned long len)
{
- void *xol_page_kaddr = kmap_atomic(page);
+ void *xol_page_kaddr = kmap_local_page(page);
void *dst = xol_page_kaddr + (vaddr & ~PAGE_MASK);

preempt_disable();
@@ -126,7 +126,7 @@ void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,

preempt_enable();

- kunmap_atomic(xol_page_kaddr);
+ kunmap_local(xol_page_kaddr);
}