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* [Qemu-devel] [PATCH] s390: fix short kernel command lines
@ 2011-09-23 13:38 Christian Borntraeger
  2011-10-04 12:08 ` Alexander Graf
  0 siblings, 1 reply; 2+ messages in thread
From: Christian Borntraeger @ 2011-09-23 13:38 UTC (permalink / raw)
  To: Alexander Graf; +Cc: Carsten Otte, qemu-devel@nongnu.org

The default kernel command line for s390 is 
"root=/dev/ram0 ro"

When overriding this line, we have to ensure to also copy the \0 to
avoid false lines, for example, -append "root=/dev/vda" will result in
"root=/dev/vda0 ro" with the current code. 

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>


---
 hw/s390-virtio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: b/hw/s390-virtio.c
===================================================================
--- a/hw/s390-virtio.c
+++ b/hw/s390-virtio.c
@@ -238,7 +238,7 @@ static void s390_init(ram_addr_t my_ram_
 
     if (kernel_cmdline) {
         cpu_physical_memory_write(KERN_PARM_AREA, kernel_cmdline,
-                                  strlen(kernel_cmdline));
+                                  strlen(kernel_cmdline) + 1);
     }
 
     /* Create VirtIO network adapters */

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [Qemu-devel] [PATCH] s390: fix short kernel command lines
  2011-09-23 13:38 [Qemu-devel] [PATCH] s390: fix short kernel command lines Christian Borntraeger
@ 2011-10-04 12:08 ` Alexander Graf
  0 siblings, 0 replies; 2+ messages in thread
From: Alexander Graf @ 2011-10-04 12:08 UTC (permalink / raw)
  To: Christian Borntraeger; +Cc: Carsten Otte, qemu-devel@nongnu.org

On 09/23/2011 03:38 PM, Christian Borntraeger wrote:
> The default kernel command line for s390 is
> "root=/dev/ram0 ro"
>
> When overriding this line, we have to ensure to also copy the \0 to
> avoid false lines, for example, -append "root=/dev/vda" will result in
> "root=/dev/vda0 ro" with the current code.
>
> Signed-off-by: Christian Borntraeger<borntraeger@de.ibm.com>

Thanks, applied to s390-next.


Alex

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2011-09-23 13:38 [Qemu-devel] [PATCH] s390: fix short kernel command lines Christian Borntraeger
2011-10-04 12:08 ` Alexander Graf

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