Commit bcf1650c authored by Vasily Gorbik's avatar Vasily Gorbik
Browse files

s390/boot: avoid unnecessary zeroing of .bss section 



.bss section is a part of the decompressor's image now, linker fills it
with zeros already. No need do it with memset additionally.

Reviewed-by: default avatarAlexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 48175fed

arch/s390/boot/head.S

+0 −6
Original line number Diff line number Diff line
@@ -313,12 +313,6 @@ ENTRY(startup_kdump) 
	spt	6f-.LPG0(%r13)

	mvc	__LC_LAST_UPDATE_TIMER(8),6f-.LPG0(%r13)

	l	%r15,.Lstack-.LPG0(%r13)

	// Clear decompressor's BSS section

	larl	%r2,_bss

	slgr	%r3,%r3

	larl	%r4,_ebss

	slgr	%r4,%r2

	brasl	%r14,memset

	brasl	%r14,verify_facilities

	brasl	%r14,startup_kernel