[PATCH 5/6] ARM: move FSR fault status definitions before fsr_fs()
From: Russell King (Oracle) <hidden>
Date: 2026-02-27 15:19:45
Also in:
linux-rt-devel
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
The FSR's fault status bits depend on whether LPAE is enabled. Rather than always exposing both LPAE and non-LPAE to all code, move them inside the ifdef blocks dependent on LPAE to restrict their visibility. No code other than fsr_fs() makes use of these. Signed-off-by: Russell King (Oracle) <redacted> --- arch/arm/mm/fault.h | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index d2bdedaefe14..44c0fad29cce 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h@@ -8,9 +8,6 @@ #define FSR_LNX_PF BIT(31) #define FSR_CM BIT(13) #define FSR_WRITE BIT(11) -#define FSR_FS4 BIT(10) -#define FSR_FS3_0 GENMASK(3, 0) -#define FSR_FS5_0 GENMASK(5, 0) #ifdef CONFIG_ARM_LPAE #define FSR_FS_AEA 17
@@ -18,6 +15,8 @@ #define FS_PERM_NOLL 0xC #define FS_MMU_NOLL_MASK 0x3C +#define FSR_FS5_0 GENMASK(5, 0) + static inline int fsr_fs(unsigned int fsr) { return fsr & FSR_FS5_0;
@@ -29,6 +28,9 @@ static inline int fsr_fs(unsigned int fsr) #define FS_L1_PERM 0xD #define FS_L2_PERM 0xF +#define FSR_FS4 BIT(10) +#define FSR_FS3_0 GENMASK(3, 0) + static inline int fsr_fs(unsigned int fsr) { return (fsr & FSR_FS3_0) | (fsr & FSR_FS4) >> 6;
--
2.47.3