| entry-common.S (2b1333b80885b896807ffb6ccf4bc21d29aa65e0) | entry-common.S (24a9c54182b3758801b8ca6c8c237cc2ff654732) |
|---|---|
| 1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * linux/arch/arm/kernel/entry-common.S 4 * 5 * Copyright (C) 2000 Russell King 6 */ 7 8#include <asm/assembler.h> --- 14 unchanged lines hidden (view full) --- 23 bicne \tmp, \tmp, #(1 << 6) 24 mcrne p15, 0, \tmp, c15, c1, 0 @ Disable cp6 access 25#endif 26 .endm 27 28#include "entry-header.S" 29 30saved_psr .req r8 | 1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * linux/arch/arm/kernel/entry-common.S 4 * 5 * Copyright (C) 2000 Russell King 6 */ 7 8#include <asm/assembler.h> --- 14 unchanged lines hidden (view full) --- 23 bicne \tmp, \tmp, #(1 << 6) 24 mcrne p15, 0, \tmp, c15, c1, 0 @ Disable cp6 access 25#endif 26 .endm 27 28#include "entry-header.S" 29 30saved_psr .req r8 |
| 31#if defined(CONFIG_TRACE_IRQFLAGS) || defined(CONFIG_CONTEXT_TRACKING) | 31#if defined(CONFIG_TRACE_IRQFLAGS) || defined(CONFIG_CONTEXT_TRACKING_USER) |
| 32saved_pc .req r9 33#define TRACE(x...) x 34#else 35saved_pc .req lr 36#define TRACE(x...) 37#endif 38 39 .section .entry.text,"ax",%progbits 40 .align 5 | 32saved_pc .req r9 33#define TRACE(x...) x 34#else 35saved_pc .req lr 36#define TRACE(x...) 37#endif 38 39 .section .entry.text,"ax",%progbits 40 .align 5 |
| 41#if !(IS_ENABLED(CONFIG_TRACE_IRQFLAGS) || IS_ENABLED(CONFIG_CONTEXT_TRACKING) || \ | 41#if !(IS_ENABLED(CONFIG_TRACE_IRQFLAGS) || IS_ENABLED(CONFIG_CONTEXT_TRACKING_USER) || \ |
| 42 IS_ENABLED(CONFIG_DEBUG_RSEQ)) 43/* 44 * This is the fast syscall return path. We do as little as possible here, 45 * such as avoiding writing r0 to the stack. We only use this path if we 46 * have tracing, context tracking and rseq debug disabled - the overheads 47 * from those features make this path too inefficient. 48 */ 49ret_fast_syscall: --- 425 unchanged lines hidden --- | 42 IS_ENABLED(CONFIG_DEBUG_RSEQ)) 43/* 44 * This is the fast syscall return path. We do as little as possible here, 45 * such as avoiding writing r0 to the stack. We only use this path if we 46 * have tracing, context tracking and rseq debug disabled - the overheads 47 * from those features make this path too inefficient. 48 */ 49ret_fast_syscall: --- 425 unchanged lines hidden --- |