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s390: use virtio_console for KVM on s390

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This patch enables virtio_console as the default console on kvm for
s390. We currently use the same notify hack as lguest for early
console output. I will try to address this for lguest and s390 later.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Christian Borntraeger
2008-06-20 15:24:18 +02:00
committed by Rusty Russell
parent 7721c494a2
commit faeba830b0
4 changed files with 34 additions and 1 deletions
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4
arch/s390/kernel/setup.c
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@ -54,6 +54,7 @@
#include <asm/sections.h>
#include <asm/ebcdic.h>
#include <asm/compat.h>
#include <asm/kvm_virtio.h>
long psw_kernel_bits = (PSW_BASE_BITS | PSW_MASK_DAT | PSW_ASC_PRIMARY |
PSW_MASK_MCHECK | PSW_DEFAULT_KEY);
@ -766,7 +767,8 @@ setup_arch(char **cmdline_p)
printk("We are running under VM (64 bit mode)\n");
else if (MACHINE_IS_KVM) {
printk("We are running under KVM (64 bit mode)\n");
add_preferred_console("ttyS", 1, NULL);
add_preferred_console("hvc", 0, NULL);
s390_virtio_console_init();
} else
printk("We are running native (64 bit mode)\n");
#endif /* CONFIG_64BIT */