Commit ffc8e90d authored by Nicholas Piggin's avatar Nicholas Piggin Committed by Michael Ellerman
Browse files

powerpc/64e: Simplify address calculation in secondary hold loop 



As the earlier comment explains, __secondary_hold_spinloop does not have
to be accessed at its virtual address, slightly simplifying code.

Signed-off-by: default avatarNicholas Piggin <npiggin@gmail.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230203113858.1152093-4-npiggin@gmail.com
parent 58f24eea

arch/powerpc/kernel/head_64.S

+1 −5
Original line number Diff line number Diff line
@@ -160,12 +160,8 @@ __secondary_hold: 
	std	r24,(ABS_ADDR(__secondary_hold_acknowledge, first_256B))(0)

	sync



	li	r26,0

#ifdef CONFIG_PPC_BOOK3E_64

	tovirt(r26,r26)

#endif

	/* All secondary cpus wait here until told to start. */

100:	ld	r12,(ABS_ADDR(__secondary_hold_spinloop, first_256B))(r26)

100:	ld	r12,(ABS_ADDR(__secondary_hold_spinloop, first_256B))(0)

	cmpdi	0,r12,0

	beq	100b