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linux/arch/riscv/include/asm/patch.h
Samuel Holland 51781ce8f4
riscv: Pass patch_text() the length in bytes
patch_text_nosync() already handles an arbitrary length of code, so this
removes a superfluous loop and reduces the number of icache flushes.

Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240327160520.791322-6-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-06-26 07:36:31 -07:00

17 lines
449 B
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2020 SiFive
*/
#ifndef _ASM_RISCV_PATCH_H
#define _ASM_RISCV_PATCH_H
int patch_insn_write(void *addr, const void *insn, size_t len);
int patch_text_nosync(void *addr, const void *insns, size_t len);
int patch_text_set_nosync(void *addr, u8 c, size_t len);
int patch_text(void *addr, u32 *insns, size_t len);
extern int riscv_patch_in_stop_machine;
#endif /* _ASM_RISCV_PATCH_H */