[PATCH 18/21] fprobe: don't use GENMASK()
From: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
Date: 2025-10-25 16:33:34
Also in:
linux-arch, lkml
Subsystem:
generic include/asm header files, the rest · Maintainers:
Arnd Bergmann, Linus Torvalds
GENMASK(high, low) notation is confusing. FIRST/LAST_BITS() are more appropriate. Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com> --- include/asm-generic/fprobe.h | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/include/asm-generic/fprobe.h b/include/asm-generic/fprobe.h
index 8659a4dc6eb6..bf2523078661 100644
--- a/include/asm-generic/fprobe.h
+++ b/include/asm-generic/fprobe.h@@ -16,17 +16,14 @@ #define ARCH_DEFINE_ENCODE_FPROBE_HEADER #define FPROBE_HEADER_MSB_SIZE_SHIFT (BITS_PER_LONG - FPROBE_DATA_SIZE_BITS) -#define FPROBE_HEADER_MSB_MASK \ - GENMASK(FPROBE_HEADER_MSB_SIZE_SHIFT - 1, 0) +#define FPROBE_HEADER_MSB_MASK FIRST_BITS(FPROBE_HEADER_MSB_SIZE_SHIFT) /* * By default, this expects the MSBs in the address of kprobe is 0xf. * If any arch needs another fixed pattern (e.g. s390 is zero filled), * override this. */ -#define FPROBE_HEADER_MSB_PATTERN \ - GENMASK(BITS_PER_LONG - 1, FPROBE_HEADER_MSB_SIZE_SHIFT) - +#define FPROBE_HEADER_MSB_PATTERN LAST_BITS(FPROBE_HEADER_MSB_SIZE_SHIFT) #define arch_fprobe_header_encodable(fp) \ (((unsigned long)(fp) & ~FPROBE_HEADER_MSB_MASK) == \ FPROBE_HEADER_MSB_PATTERN)
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2.43.0