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authorVasily Gorbik <gor@linux.ibm.com>2022-03-28 23:27:54 +0200
committerVasily Gorbik <gor@linux.ibm.com>2022-03-28 23:27:54 +0200
commitfaf79934e65aff90284725518a5ec3c2241c65ae (patch)
tree45295476a499556af0ff956c63c76ce68916a5c7 /arch/s390
parent7dcfe50f58d28e0e2ba79e9e4333888bcf9442a4 (diff)
s390/alternatives: avoid using jgnop mnemonic
jgnop mnemonic is only available since binutils 2.36, kernel minimal required version is 2.23. Stick to brcl to avoid build errors. Reported-by: Nathan Chancellor <nathan@kernel.org> Fixes: 4afeb670710e ("s390/alternatives: use instructions instead of byte patterns") Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/include/asm/alternative-asm.h2
-rw-r--r--arch/s390/include/asm/alternative.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/include/asm/alternative-asm.h b/arch/s390/include/asm/alternative-asm.h
index 221d790361b9..bb3837d7387c 100644
--- a/arch/s390/include/asm/alternative-asm.h
+++ b/arch/s390/include/asm/alternative-asm.h
@@ -38,7 +38,7 @@
*/
.macro alt_pad_fill bytes
.rept ( \bytes ) / 6
- jgnop .
+ brcl 0,0
.endr
.rept ( \bytes ) % 6 / 4
nop
diff --git a/arch/s390/include/asm/alternative.h b/arch/s390/include/asm/alternative.h
index 6c72495c8dbb..3f2856ed6808 100644
--- a/arch/s390/include/asm/alternative.h
+++ b/arch/s390/include/asm/alternative.h
@@ -75,7 +75,7 @@ void apply_alternatives(struct alt_instr *start, struct alt_instr *end);
"\tnopr\n" \
".else\n" \
"\t.rept " oldinstr_pad_len(num) " / 6\n" \
- "\t.jgnop .\n" \
+ "\t.brcl 0,0\n" \
"\t.endr\n" \
"\t.rept " oldinstr_pad_len(num) " %% 6 / 4\n" \
"\tnop\n" \