diff options
| author | Zhang Heng <zhangheng@kylinos.cn> | 2024-12-23 16:54:20 +0800 |
|---|---|---|
| committer | Daniel Thompson (RISCstar) <danielt@kernel.org> | 2025-01-25 08:22:11 +0000 |
| commit | 36975ec3a2c15c20f0df312633f4272da649d8fc (patch) | |
| tree | aa085639c1602a7d6f6ee080466b1f0ec33742fd /kernel/debug | |
| parent | 9d89551994a430b50c4fffcb1e617a057fa76e20 (diff) | |
kdb: use kmap_local_page()
Use kmap_local_page() instead of kmap_atomic() which has been deprecated.
Signed-off-by: Zhang Heng <zhangheng@kylinos.cn>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20241223085420.1815930-1-zhangheng@kylinos.cn
Signed-off-by: Daniel Thompson (RISCstar) <danielt@kernel.org>
Diffstat (limited to 'kernel/debug')
| -rw-r--r-- | kernel/debug/kdb/kdb_support.c | 6 |
1 files 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; } |