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authorHeiko Carstens <heiko.carstens@de.ibm.com>2006-12-04 15:40:30 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2006-12-04 15:40:30 +0100
commit740b5706b9c4b3767f597b3ea76654c6f2a800b2 (patch)
tree370dc09ec8f3abaecc742003ed9d28eecf636c3b /include/asm-s390/cpcmd.h
parenta1a392f0b4f27604811bf8aa8d7636b3b4bc3803 (diff)
downloadlinux-740b5706b9c4b3767f597b3ea76654c6f2a800b2.tar.bz2
[S390] cpcmd <-> __cpcmd calling issues
In case of reipl cpcmd gets called when all other cpus are not running anymore. To prevent deadlocks change __cpcmd so that it doesn't take any locks and call cpcmd or __cpcmd, whatever is correct in the current context. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'include/asm-s390/cpcmd.h')
-rw-r--r--include/asm-s390/cpcmd.h10
1 files changed, 3 insertions, 7 deletions
diff --git a/include/asm-s390/cpcmd.h b/include/asm-s390/cpcmd.h
index 1fcf65be7a23..48a9eab16429 100644
--- a/include/asm-s390/cpcmd.h
+++ b/include/asm-s390/cpcmd.h
@@ -7,8 +7,8 @@
* Christian Borntraeger (cborntra@de.ibm.com),
*/
-#ifndef __CPCMD__
-#define __CPCMD__
+#ifndef _ASM_S390_CPCMD_H
+#define _ASM_S390_CPCMD_H
/*
* the lowlevel function for cpcmd
@@ -16,9 +16,6 @@
*/
extern int __cpcmd(const char *cmd, char *response, int rlen, int *response_code);
-#ifndef __s390x__
-#define cpcmd __cpcmd
-#else
/*
* cpcmd is the in-kernel interface for issuing CP commands
*
@@ -33,6 +30,5 @@ extern int __cpcmd(const char *cmd, char *response, int rlen, int *response_code
* NOTE: If the response buffer is not below 2 GB, cpcmd can sleep
*/
extern int cpcmd(const char *cmd, char *response, int rlen, int *response_code);
-#endif /*__s390x__*/
-#endif
+#endif /* _ASM_S390_CPCMD_H */