diff options
| author | Pasha Tatashin <pasha.tatashin@soleen.com> | 2021-09-30 14:31:12 +0000 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2021-10-01 13:31:00 +0100 |
| commit | 7a2512fa649397c68127a480ef8fdd9dcf323045 (patch) | |
| tree | 1ef11c8acb1f6bc2955eadcf15da6d0981d8d2bc /arch/arm64/kernel | |
| parent | 939f1b9564c6aa2bd0f4e4e336ac74379692c38b (diff) | |
arm64: kexec: remove cpu-reset.h
This header contains only cpu_soft_restart() which is never used directly
anymore. So, remove this header, and rename the helper to be
cpu_soft_restart().
Suggested-by: James Morse <james.morse@arm.com>
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210930143113.1502553-15-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/cpu-reset.S | 7 | ||||
| -rw-r--r-- | arch/arm64/kernel/cpu-reset.h | 30 | ||||
| -rw-r--r-- | arch/arm64/kernel/machine_kexec.c | 6 |
3 files changed, 5 insertions, 38 deletions
diff --git a/arch/arm64/kernel/cpu-reset.S b/arch/arm64/kernel/cpu-reset.S index d47ff63a5b66..48a8af97faa9 100644 --- a/arch/arm64/kernel/cpu-reset.S +++ b/arch/arm64/kernel/cpu-reset.S @@ -16,8 +16,7 @@ .pushsection .idmap.text, "awx" /* - * __cpu_soft_restart(el2_switch, entry, arg0, arg1, arg2) - Helper for - * cpu_soft_restart. + * cpu_soft_restart(el2_switch, entry, arg0, arg1, arg2) * * @el2_switch: Flag to indicate a switch to EL2 is needed. * @entry: Location to jump to for soft reset. @@ -29,7 +28,7 @@ * branch to what would be the reset vector. It must be executed with the * flat identity mapping. */ -SYM_CODE_START(__cpu_soft_restart) +SYM_CODE_START(cpu_soft_restart) mov_q x12, INIT_SCTLR_EL1_MMU_OFF pre_disable_mmu_workaround /* @@ -48,6 +47,6 @@ SYM_CODE_START(__cpu_soft_restart) mov x1, x3 // arg1 mov x2, x4 // arg2 br x8 -SYM_CODE_END(__cpu_soft_restart) +SYM_CODE_END(cpu_soft_restart) .popsection diff --git a/arch/arm64/kernel/cpu-reset.h b/arch/arm64/kernel/cpu-reset.h deleted file mode 100644 index 296abbac7192..000000000000 --- a/arch/arm64/kernel/cpu-reset.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * CPU reset routines - * - * Copyright (C) 2015 Huawei Futurewei Technologies. - */ - -#ifndef _ARM64_CPU_RESET_H -#define _ARM64_CPU_RESET_H - -#include <asm/virt.h> - -void __cpu_soft_restart(unsigned long el2_switch, unsigned long entry, - unsigned long arg0, unsigned long arg1, unsigned long arg2); - -static inline void __noreturn __nocfi cpu_soft_restart(unsigned long entry, - unsigned long arg0, - unsigned long arg1, - unsigned long arg2) -{ - typeof(__cpu_soft_restart) *restart; - - restart = (void *)__pa_symbol(function_nocfi(__cpu_soft_restart)); - - cpu_install_idmap(); - restart(0, entry, arg0, arg1, arg2); - unreachable(); -} - -#endif diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c index 559d47a3c59c..1038494135c8 100644 --- a/arch/arm64/kernel/machine_kexec.c +++ b/arch/arm64/kernel/machine_kexec.c @@ -24,8 +24,6 @@ #include <asm/sections.h> #include <asm/trans_pgd.h> -#include "cpu-reset.h" - /** * kexec_image_info - For debugging output. */ @@ -201,10 +199,10 @@ void machine_kexec(struct kimage *kimage) * In kexec_file case, the kernel starts directly without purgatory. */ if (kimage->head & IND_DONE) { - typeof(__cpu_soft_restart) *restart; + typeof(cpu_soft_restart) *restart; cpu_install_idmap(); - restart = (void *)__pa_symbol(function_nocfi(__cpu_soft_restart)); + restart = (void *)__pa_symbol(function_nocfi(cpu_soft_restart)); restart(is_hyp_nvhe(), kimage->start, kimage->arch.dtb_mem, 0, 0); } else { |