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[PATCH] s390: cio non-unique path group ids 

From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>

The path grouping can fail due to non-unique pathgroup-IDs.  The source for
the CPU-ID part of the ID was incorrectly specified on 64 bit systems.
Additionally, the length of the ID was too large due to incorrect data packing
declaration.  Fix CPU-ID lowcore address and add missing packing declaration.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Peter Oberparleiter 2006-06-04 02:51:28 -07:00 committed by Linus Torvalds
parent e0ec574987
commit 4ae9538dd0
2 changed files with 4 additions and 4 deletions
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4
drivers/s390/cio/css.h
View File

@ -45,11 +45,11 @@ struct pgid {
union {
__u8 fc; /* SPID function code */
struct path_state ps; /* SNID path state */
} inf;
} __attribute__ ((packed)) inf;
union {
__u32 cpu_addr : 16; /* CPU address */
struct extended_cssid ext_cssid;
} pgid_high;
} __attribute__ ((packed)) pgid_high;
__u32 cpu_id : 24; /* CPU identification */
__u32 cpu_model : 16; /* CPU model */
__u32 tod_high; /* high word TOD clock */

4
include/asm-s390/lowcore.h
View File

@ -98,8 +98,8 @@
#define __LC_KERNEL_ASCE 0xD58
#define __LC_USER_ASCE 0xD60
#define __LC_PANIC_STACK 0xD68
#define __LC_CPUID 0xD90
#define __LC_CPUADDR 0xD98
#define __LC_CPUID 0xD80
#define __LC_CPUADDR 0xD88
#define __LC_IPLDEV 0xDB8
#define __LC_JIFFY_TIMER 0xDC0
#define __LC_CURRENT 0xDD8