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arm64: entry: cleanup el0 svc handler naming

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For most of the exception entry code, <foo>_handler() is the first C
function called from the entry assembly in entry-common.c, and external
functions handling the bulk of the logic are called do_<foo>().

For consistency, apply this scheme to el0_svc_handler and
el0_svc_compat_handler, renaming them to do_el0_svc and
do_el0_svc_compat respectively.

There should be no functional change as a result of this patch.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Mark Rutland 2020-01-16 18:35:47 +00:00 committed by Will Deacon
parent 2d226c1e1c
commit 7a2c094464
3 changed files with 6 additions and 6 deletions
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4
arch/arm64/include/asm/exception.h
View File

@ -45,8 +45,8 @@ void do_sysinstr(unsigned int esr, struct pt_regs *regs);
void do_sp_pc_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs);
void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr);
void do_cp15instr(unsigned int esr, struct pt_regs *regs);
void el0_svc_handler(struct pt_regs *regs);
void el0_svc_compat_handler(struct pt_regs *regs);
void do_el0_svc(struct pt_regs *regs);
void do_el0_svc_compat(struct pt_regs *regs);
void do_el0_ia_bp_hardening(unsigned long addr, unsigned int esr,
struct pt_regs *regs);

4
arch/arm64/kernel/entry-common.c
View File

@ -215,7 +215,7 @@ static void notrace el0_svc(struct pt_regs *regs)
if (system_uses_irq_prio_masking())
gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET);
el0_svc_handler(regs);
do_el0_svc(regs);
}
NOKPROBE_SYMBOL(el0_svc);
@ -281,7 +281,7 @@ static void notrace el0_svc_compat(struct pt_regs *regs)
if (system_uses_irq_prio_masking())
gic_write_pmr(GIC_PRIO_IRQON | GIC_PRIO_PSR_I_SET);
el0_svc_compat_handler(regs);
do_el0_svc_compat(regs);
}
NOKPROBE_SYMBOL(el0_svc_compat);

4
arch/arm64/kernel/syscall.c
View File

@ -154,14 +154,14 @@ static inline void sve_user_discard(void)
sve_user_disable();
}
void el0_svc_handler(struct pt_regs *regs)
void do_el0_svc(struct pt_regs *regs)
{
sve_user_discard();
el0_svc_common(regs, regs->regs[8], __NR_syscalls, sys_call_table);
}
#ifdef CONFIG_COMPAT
void el0_svc_compat_handler(struct pt_regs *regs)
void do_el0_svc_compat(struct pt_regs *regs)
{
el0_svc_common(regs, regs->regs[7], __NR_compat_syscalls,
compat_sys_call_table);