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Message-ID: <20241223085420.1815930-1-zhangheng@kylinos.cn> Date: Mon, 23 Dec 2024 16:54:20 +0800 From: Zhang Heng <zhangheng@...inos.cn> To: jason.wessel@...driver.com, danielt@...nel.org, dianders@...omium.org Cc: kgdb-bugreport@...ts.sourceforge.net, linux-kernel@...r.kernel.org, Zhang Heng <zhangheng@...inos.cn> Subject: [PATCH v2] kdb: use kmap_local_page() Use kmap_local_page() instead of kmap_atomic() which has been deprecated. Signed-off-by: Zhang Heng <zhangheng@...inos.cn> Reviewed-by: Douglas Anderson <dianders@...omium.org> --- Changes in v2: - add Reviewer - update author name spelling kernel/debug/kdb/kdb_support.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c index 0a39497140bf..1ef831cacbc2 100644 --- a/kernel/debug/kdb/kdb_support.c +++ b/kernel/debug/kdb/kdb_support.c @@ -305,7 +305,7 @@ int kdb_putarea_size(unsigned long addr, void *res, size_t size) /* * kdb_getphys - Read data from a physical address. Validate the - * address is in range, use kmap_atomic() to get data + * address is in range, use kmap_local_page() to get data * similar to kdb_getarea() - but for phys addresses * Inputs: * res Pointer to the word to receive the result @@ -324,9 +324,9 @@ static int kdb_getphys(void *res, unsigned long addr, size_t size) if (!pfn_valid(pfn)) return 1; page = pfn_to_page(pfn); - vaddr = kmap_atomic(page); + vaddr = kmap_local_page(page); memcpy(res, vaddr + (addr & (PAGE_SIZE - 1)), size); - kunmap_atomic(vaddr); + kunmap_local(vaddr); return 0; } -- 2.45.2
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