Commit 440ee365 authored Oct 30, 2015 by Ezequiel Garcia Committed by Russell King Nov 16, 2015

ARM: 8450/1: v7-M: Use ret_to_user_from_irq in PendSV handler



The PendSV handler calls v7m_exception_entry which
disables IRQs. Therefore, since IRQs are already disabled,
the PendSV handler can return using ret_to_user_from_irq.

Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent b522842c

arch/arm/kernel/entry-v7m.S

+1 −1

Original line number	Diff line number	Diff line
		@@ -88,7 +88,7 @@ __pendsv_entry:
		@ execute the pending work, including reschedule
		get_thread_info tsk
		mov why, #0
		b ret_to_user
		b ret_to_user_from_irq
		ENDPROC(__pendsv_entry)

		/*