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authorKevin Hilman <khilman@linaro.org>2015-08-14 10:33:21 -0700
committerKevin Hilman <khilman@linaro.org>2015-08-14 10:33:21 -0700
commit59255ac55ba6ecd195ef97c6bcd1303a7f838c94 (patch)
treec21899d772e8b55b74c9943f48ae88d3bd8724c9 /arch/s390/kernel/sclp.S
parent9106e24eb8e4dbe7f8de197317e68624ada540b0 (diff)
parent07818b5b1ba0f494a7255ab634bad2dd2b908ed0 (diff)
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-rtlsk-v3.10-15.08-rt
Diffstat (limited to 'arch/s390/kernel/sclp.S')
-rw-r--r--arch/s390/kernel/sclp.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index 29bd7bec4176..1ecd47b5e250 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -276,6 +276,8 @@ ENTRY(_sclp_print_early)
jno .Lesa2
ahi %r15,-80
stmh %r6,%r15,96(%r15) # store upper register halves
+ basr %r13,0
+ lmh %r0,%r15,.Lzeroes-.(%r13) # clear upper register halves
.Lesa2:
#endif
lr %r10,%r2 # save string pointer
@@ -299,6 +301,8 @@ ENTRY(_sclp_print_early)
#endif
lm %r6,%r15,120(%r15) # restore registers
br %r14
+.Lzeroes:
+ .fill 64,4,0
.LwritedataS4:
.long 0x00760005 # SCLP command for write data