linux-kernel - [PATCH 2/5] arm64/uprobes: use kmap_local_page() in arch_uprobe_copy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20260103084243.195125-3-ming.jvle@gmail.com>
Date: Sat,  3 Jan 2026 16:42:40 +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 2/5] arm64/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/arm64/kernel/probes/uprobes.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/probes/uprobes.c b/arch/arm64/kernel/probes/uprobes.c
index 941668800aea..4c55bf832ec3 100644
--- a/arch/arm64/kernel/probes/uprobes.c
+++ b/arch/arm64/kernel/probes/uprobes.c
@@ -15,7 +15,7 @@
 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);
 
 	/*
@@ -32,7 +32,7 @@ void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
 	sync_icache_aliases((unsigned long)dst, (unsigned long)dst + len);
 
 done:
-	kunmap_atomic(xol_page_kaddr);
+	kunmap_local(xol_page_kaddr);
 }
 
 unsigned long uprobe_get_swbp_addr(struct pt_regs *regs)
-- 
2.43.0