linux-kernel - [tip: perf/core] arm/uprobes: use kmap_local_page() in arch_uprobe_copy

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Message-ID: <176820497512.510.2299383765929268554.tip-bot2@tip-bot2>
Date: Mon, 12 Jan 2026 08:02:55 -0000
From: "tip-bot2 for Keke Ming" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Keke Ming <ming.jvle@...il.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Oleg Nesterov <oleg@...hat.com>, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: perf/core] arm/uprobes: use kmap_local_page() in
 arch_uprobe_copy_ixol()

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@...il.com>
AuthorDate:    Sat, 03 Jan 2026 16:42:42 +08:00
Committer:     Peter Zijlstra <peterz@...radead.org>
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@...il.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Oleg Nesterov <oleg@...hat.com>
Link: https://patch.msgid.link/20260103084243.195125-5-ming.jvle@gmail.com
---
 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);
 }