From 980d5f9ab36b6cfe473a8371a7e11bd168c9e630 Mon Sep 17 00:00:00 2001 From: Alexander Egorenkov Date: Wed, 2 Sep 2020 16:52:06 +0200 Subject: s390/boot: enable .bss section for compressed kernel - Support static uninitialized variables in compressed kernel. - Remove chkbss script - Get rid of workarounds for not having .bss section Signed-off-by: Alexander Egorenkov Reviewed-by: Vasily Gorbik Signed-off-by: Vasily Gorbik --- arch/s390/boot/head.S | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'arch/s390/boot/head.S') diff --git a/arch/s390/boot/head.S b/arch/s390/boot/head.S index dae10961d072..fd78755d996d 100644 --- a/arch/s390/boot/head.S +++ b/arch/s390/boot/head.S @@ -313,6 +313,12 @@ 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 -- cgit