diff options
| author | Vasily Gorbik <gor@linux.ibm.com> | 2020-09-16 12:02:49 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-09-21 08:07:44 +0200 |
| commit | bcf1650c9b826602ad860f4465a3b66be611508a (patch) | |
| tree | 0710b01a6eb1a301a505d7530fdcf8219d06a53c | |
| parent | 48175fed1deaf8f37e918f504a5cff7504c583ad (diff) | |
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: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
| -rw-r--r-- | arch/s390/boot/head.S | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index fd78755d996d..dae10961d072 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -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 |