Commit 1752a1ad authored by Keke Ming's avatar Keke Ming Committed by Peter Zijlstra
Browse files

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



Replace deprecated kmap_atomic() with kmap_local_page().

Signed-off-by: default avatarKeke Ming <ming.jvle@gmail.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: default avatarOleg Nesterov <oleg@redhat.com>
Link: https://patch.msgid.link/20260103084243.195125-5-ming.jvle@gmail.com
parent e6eb9acc

arch/arm/probes/uprobes/core.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

}