Commit bb793562 authored by Sven Schnelle's avatar Sven Schnelle Committed by Thomas Gleixner
Browse files

entry: Rename exit_to_user_mode() 



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

Signed-off-by: default avatarSven Schnelle <svens@linux.ibm.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201201142755.31931-3-svens@linux.ibm.com
parent 6666bb71

kernel/entry/common.c

+4 −4
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ noinstr void syscall_enter_from_user_mode_prepare(struct pt_regs *regs) 
}



/**

 * exit_to_user_mode - Fixup state when exiting to user mode

 * __exit_to_user_mode - Fixup state when exiting to user mode

 *

 * Syscall/interupt exit enables interrupts, but the kernel state is

 * interrupts disabled when this is invoked. Also tell RCU about it.
@@ -133,7 +133,7 @@ noinstr void syscall_enter_from_user_mode_prepare(struct pt_regs *regs) 
 *    mitigations, etc.

 * 4) Tell lockdep that interrupts are enabled

 */

static __always_inline void exit_to_user_mode(void)

static __always_inline void __exit_to_user_mode(void)

{

	instrumentation_begin();

	trace_hardirqs_on_prepare();
@@ -299,7 +299,7 @@ __visible noinstr void syscall_exit_to_user_mode(struct pt_regs *regs) 
	local_irq_disable_exit_to_user();

	exit_to_user_mode_prepare(regs);

	instrumentation_end();

	exit_to_user_mode();

	__exit_to_user_mode();

}



noinstr void irqentry_enter_from_user_mode(struct pt_regs *regs)
@@ -312,7 +312,7 @@ noinstr void irqentry_exit_to_user_mode(struct pt_regs *regs) 
	instrumentation_begin();

	exit_to_user_mode_prepare(regs);

	instrumentation_end();

	exit_to_user_mode();

	__exit_to_user_mode();

}



noinstr irqentry_state_t irqentry_enter(struct pt_regs *regs)