Commit 52499f40 authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky

[S390] bug: use relative pointers in bug table entries

Reduces the size of the bug table entries by 50% on 64bit kernels.
Saves around 30kb on a defconfig kernel.
s390 version of b93a531e "allow bug table entries to use relative
pointers (and use it on x86-64)".
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent cbb870c8
......@@ -54,6 +54,9 @@ config GENERIC_BUG
depends on BUG
default y
config GENERIC_BUG_RELATIVE_POINTERS
def_bool y
config NO_IOMEM
def_bool y
......
......@@ -5,12 +5,6 @@
#ifdef CONFIG_BUG
#ifdef CONFIG_64BIT
#define S390_LONG ".quad"
#else
#define S390_LONG ".long"
#endif
#ifdef CONFIG_DEBUG_BUGVERBOSE
#define __EMIT_BUG(x) do { \
......@@ -21,7 +15,7 @@
"2: .asciz \""__FILE__"\"\n" \
".previous\n" \
".section __bug_table,\"a\"\n" \
"3:\t" S390_LONG "\t1b,2b\n" \
"3: .long 1b-3b,2b-3b\n" \
" .short %0,%1\n" \
" .org 3b+%2\n" \
".previous\n" \
......@@ -37,7 +31,7 @@
"0: j 0b+2\n" \
"1:\n" \
".section __bug_table,\"a\"\n" \
"2:\t" S390_LONG "\t1b\n" \
"2: .long 1b-2b\n" \
" .short %0\n" \
" .org 2b+%1\n" \
".previous\n" \
......
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