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(parent: aa0a99b) | patch
s390: lowcore stack pointer offsets
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 24 Apr 2013 08:20:43 +0000 (10:20 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 26 Apr 2013 07:07:01 +0000 (09:07 +0200)
commite3902de9317ec6d8206dbe897acd3d6827126a87
tree18eb16aa67cadf8d4bb880b8443563d2fb47cf43tree | snapshot
parentaa0a99b4a8af178912b283594081a3b9514232b9commit | diff
s390: lowcore stack pointer offsets

Store the stack pointers in the lowcore for the kernel stack, the async
stack and the panic stack with the offset required for the first user.
This avoids an unnecessary add instruction on the system call path.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/entry.S diff | blob | history
arch/s390/kernel/entry64.S diff | blob | history
arch/s390/kernel/setup.c diff | blob | history
arch/s390/kernel/smp.c diff | blob | history
Linux Kernel Source Tree.