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riscv: entry: Remove extra level wrappers of trace_hardirqs_{on,off}

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Since riscv is converted to generic entry, there's no need for the
extra wrappers of trace_hardirqs_{on,off}.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Björn Töpel <bjorn@rivosinc.com>
Tested-by: Guo Ren <guoren@kernel.org>
Signed-off-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20230222033021.983168-6-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Jisheng Zhang 2023-02-21 22:30:19 -05:00 committed by Palmer Dabbelt
parent f0bddf5058
commit 0bf298ad2b
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3 changed files with 0 additions and 40 deletions
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2
arch/riscv/kernel/Makefile
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@ -68,8 +68,6 @@ obj-$(CONFIG_CPU_PM) += suspend_entry.o suspend.o
obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
obj-$(CONFIG_DYNAMIC_FTRACE) += mcount-dyn.o
obj-$(CONFIG_TRACE_IRQFLAGS) += trace_irq.o
obj-$(CONFIG_PERF_EVENTS) += perf_callchain.o
obj-$(CONFIG_HAVE_PERF_REGS) += perf_regs.o
obj-$(CONFIG_RISCV_SBI) += sbi.o

27
arch/riscv/kernel/trace_irq.c
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@ -1,27 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
*/
#include <linux/irqflags.h>
#include <linux/kprobes.h>
#include "trace_irq.h"
/*
* trace_hardirqs_on/off require the caller to setup frame pointer properly.
* Otherwise, CALLER_ADDR1 might trigger an pagging exception in kernel.
* Here we add one extra level so they can be safely called by low
* level entry code which $fp is used for other purpose.
*/
void __trace_hardirqs_on(void)
{
trace_hardirqs_on();
}
NOKPROBE_SYMBOL(__trace_hardirqs_on);
void __trace_hardirqs_off(void)
{
trace_hardirqs_off();
}
NOKPROBE_SYMBOL(__trace_hardirqs_off);

11
arch/riscv/kernel/trace_irq.h
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@ -1,11 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2022 Changbin Du <changbin.du@gmail.com>
*/
#ifndef __TRACE_IRQ_H
#define __TRACE_IRQ_H
void __trace_hardirqs_on(void);
void __trace_hardirqs_off(void);
#endif /* __TRACE_IRQ_H */