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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2010-02-26 22:37:38 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-02-26 22:37:31 +0100
commit27d71602b4a605fbb31088e69ac12187e69a9443 (patch)
tree2f4203a85e5191abbb6ffd21c277eb2afb23a0ab /drivers/s390/cio/cio.c
parent[S390] qdio: optimize cache line usage of struct qdio_irq (diff)
downloadlinux-27d71602b4a605fbb31088e69ac12187e69a9443.tar.xz
linux-27d71602b4a605fbb31088e69ac12187e69a9443.zip
[S390] add MACHINE_IS_LPAR flag
Introduce the MACHINE_IS_LPAR flag for code that should only be executed if Linux is running in an LPAR. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/cio.c')
-rw-r--r--drivers/s390/cio/cio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 126f240715a4..f9d8c7936a09 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -661,7 +661,7 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
* We don't do this for VM because a tpi drops the cpu
* out of the sie which costs more cycles than it saves.
*/
- } while (!MACHINE_IS_VM && tpi (NULL) != 0);
+ } while (MACHINE_IS_LPAR && tpi(NULL) != 0);
irq_exit();
set_irq_regs(old_regs);
}