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entry: Rename enter_from_user_mode()

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In order to make this function publicly available rename it so it can still
be inlined. An additional enter_from_user_mode() function will be added with
a later commit.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201201142755.31931-2-svens@linux.ibm.com
This commit is contained in:
Sven Schnelle 2020-12-01 15:27:51 +01:00 committed by Thomas Gleixner
parent a4452e671c
commit 6666bb714f
1 changed files with 5 additions and 5 deletions
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10
kernel/entry/common.c
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@ -11,7 +11,7 @@
#include <trace/events/syscalls.h> #include <trace/events/syscalls.h>
/** /**
* enter_from_user_mode - Establish state when coming from user mode * __enter_from_user_mode - Establish state when coming from user mode
* *
* Syscall/interrupt entry disables interrupts, but user mode is traced as * Syscall/interrupt entry disables interrupts, but user mode is traced as
* interrupts enabled. Also with NO_HZ_FULL RCU might be idle. * interrupts enabled. Also with NO_HZ_FULL RCU might be idle.
@ -20,7 +20,7 @@
* 2) Invoke context tracking if enabled to reactivate RCU * 2) Invoke context tracking if enabled to reactivate RCU
* 3) Trace interrupts off state * 3) Trace interrupts off state
*/ */
static __always_inline void enter_from_user_mode(struct pt_regs *regs) static __always_inline void __enter_from_user_mode(struct pt_regs *regs)
{ {
arch_check_user_regs(regs); arch_check_user_regs(regs);
lockdep_hardirqs_off(CALLER_ADDR0); lockdep_hardirqs_off(CALLER_ADDR0);
@ -103,7 +103,7 @@ noinstr long syscall_enter_from_user_mode(struct pt_regs *regs, long syscall)
{ {
long ret; long ret;
enter_from_user_mode(regs); __enter_from_user_mode(regs);
instrumentation_begin(); instrumentation_begin();
local_irq_enable(); local_irq_enable();
@ -115,7 +115,7 @@ noinstr long syscall_enter_from_user_mode(struct pt_regs *regs, long syscall)
noinstr void syscall_enter_from_user_mode_prepare(struct pt_regs *regs) noinstr void syscall_enter_from_user_mode_prepare(struct pt_regs *regs)
{ {
enter_from_user_mode(regs); __enter_from_user_mode(regs);
instrumentation_begin(); instrumentation_begin();
local_irq_enable(); local_irq_enable();
instrumentation_end(); instrumentation_end();
@ -304,7 +304,7 @@ __visible noinstr void syscall_exit_to_user_mode(struct pt_regs *regs)
noinstr void irqentry_enter_from_user_mode(struct pt_regs *regs) noinstr void irqentry_enter_from_user_mode(struct pt_regs *regs)
{ {
enter_from_user_mode(regs); __enter_from_user_mode(regs);
} }
noinstr void irqentry_exit_to_user_mode(struct pt_regs *regs) noinstr void irqentry_exit_to_user_mode(struct pt_regs *regs)