Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Link: https://patch.msgid.link/20260103084243.195125-3-ming.jvle@gmail.com
authored by
Keke Ming
and committed by
Peter Zijlstra
094cc7bb
a18dfb5d
+2
-2
+2
-2
arch/arm64/kernel/probes/uprobes.c
+2
-2
arch/arm64/kernel/probes/uprobes.c
···
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void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
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void *src, unsigned long len)
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{
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-
void *xol_page_kaddr = kmap_atomic(page);
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+
void *xol_page_kaddr = kmap_local_page(page);
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void *dst = xol_page_kaddr + (vaddr & ~PAGE_MASK);
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/*
···
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sync_icache_aliases((unsigned long)dst, (unsigned long)dst + len);
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done:
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-
kunmap_atomic(xol_page_kaddr);
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+
kunmap_local(xol_page_kaddr);
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}
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unsigned long uprobe_get_swbp_addr(struct pt_regs *regs)