linux-stable/arch/arm/mm/abort-ev7.S
Wang Kefeng 89a0b011fa ARM: 9091/1: Revert "mm: qsd8x50: Fix incorrect permission faults"
This reverts commit e220ba6022.

The VERIFY_PERMISSION_FAULT is introduced since 2009 but no
one use it, just revert it and clean unused comment.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2021-06-13 18:16:43 +01:00

21 lines
529 B
ArmAsm

/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/assembler.h>
/*
* Function: v7_early_abort
*
* Params : r2 = pt_regs
* : r4 = aborted context pc
* : r5 = aborted context psr
*
* Returns : r4 - r11, r13 preserved
*
* Purpose : obtain information about current aborted instruction.
*/
.align 5
ENTRY(v7_early_abort)
mrc p15, 0, r1, c5, c0, 0 @ get FSR
mrc p15, 0, r0, c6, c0, 0 @ get FAR
uaccess_disable ip @ disable userspace access
b do_DataAbort
ENDPROC(v7_early_abort)