linux-kernel - [PATCH 4/5] arm/uprobes: use kmap_local_page() in arch_uprobe_copy

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Message-ID: <20260103084243.195125-5-ming.jvle@gmail.com>
Date: Sat,  3 Jan 2026 16:42:42 +0800
From: Keke Ming <ming.jvle@...il.com>
To: mhiramat@...nel.org,
	oleg@...hat.com,
	peterz@...radead.org
Cc: linux@...linux.org.uk,
	catalin.marinas@....com,
	will@...nel.org,
	tsbogend@...ha.franken.de,
	pjw@...nel.org,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mips@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	Keke Ming <ming.jvle@...il.com>
Subject: [PATCH 4/5] 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>
---
 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 3d96fb41d624..0e1c6b9e7e54 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);
 }
 
 
-- 
2.43.0