From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
To: linux-arm-kernel@lists.infradead.org
Cc: Clark Williams <clrkwllms@kernel.org>,
linux-rt-devel@lists.linux.dev,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>
Subject: [PATCH 4/6] ARM: use BIT() and GENMASK() for fault status register fields
Date: Fri, 27 Feb 2026 15:19:23 +0000 [thread overview]
Message-ID: <E1vvzch-0000000AwoC-3JkD@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <aaG1wrNUaq_L0I5g@shell.armlinux.org.uk>
Modernise the fault status field definitions by using BIT() and
GENMASK().
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
arch/arm/mm/fault.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index e95f44757dc9..d2bdedaefe14 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -5,12 +5,12 @@
/*
* Fault status register encodings. We steal bit 31 for our own purposes.
*/
-#define FSR_LNX_PF (1 << 31)
-#define FSR_CM (1 << 13)
-#define FSR_WRITE (1 << 11)
-#define FSR_FS4 (1 << 10)
-#define FSR_FS3_0 (15)
-#define FSR_FS5_0 (0x3f)
+#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
--
2.47.3
next prev parent reply other threads:[~2026-02-27 15:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-27 15:18 [PATCH 0/6] ARM: cleanup fault handling Russell King (Oracle)
2026-02-27 15:19 ` [PATCH 1/6] ARM: ensure interrupts are enabled in __do_user_fault() Russell King (Oracle)
2026-03-02 10:33 ` Sebastian Andrzej Siewior
2026-02-27 15:19 ` [PATCH 2/6] ARM: move vmalloc() lazy-page table population Russell King (Oracle)
2026-03-02 10:43 ` Sebastian Andrzej Siewior
2026-03-02 10:57 ` Russell King (Oracle)
2026-03-02 11:00 ` Sebastian Andrzej Siewior
2026-03-02 11:19 ` Russell King (Oracle)
2026-03-02 11:51 ` Sebastian Andrzej Siewior
2026-02-27 15:19 ` [PATCH 3/6] ARM: move is_permission_fault() and is_translation_fault() to fault.h Russell King (Oracle)
2026-03-02 10:45 ` Sebastian Andrzej Siewior
2026-02-27 15:19 ` Russell King (Oracle) [this message]
2026-03-02 10:50 ` [PATCH 4/6] ARM: use BIT() and GENMASK() for fault status register fields Sebastian Andrzej Siewior
2026-02-27 15:19 ` [PATCH 5/6] ARM: move FSR fault status definitions before fsr_fs() Russell King (Oracle)
2026-03-02 10:51 ` Sebastian Andrzej Siewior
2026-02-27 15:19 ` [PATCH 6/6] ARM: provide individual is_translation_fault() and is_permission_fault() Russell King (Oracle)
2026-03-02 10:54 ` Sebastian Andrzej Siewior
2026-03-02 10:57 ` [PATCH 0/6] ARM: cleanup fault handling Sebastian Andrzej Siewior
2026-03-19 15:37 ` Sebastian Andrzej Siewior
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