Re: [PATCH v2] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list

2012-07-26 Thread Wang Sen
2012/7/25 Ben Hutchings : > On Wed, 2012-07-25 at 20:13 +0800, Wang Sen wrote: >> When using the commands below to write some data to a virtio-scsi LUN of the >> QEMU guest(32-bit) with 1G physical memory(qemu -m 1024), the qemu will >> crash. >> >> # sudo

Re: [PATCH] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list

2012-07-26 Thread Wang Sen
2012/7/25 Boaz Harrosh : > On 07/25/2012 02:44 PM, Sen Wang wrote: > >> 2012/7/25 Paolo Bonzini : >>> Il 25/07/2012 10:29, Wang Sen ha scritto: >>>> When using the commands below to write some data to a virtio-scsi LUN of >>>> the >>>> QEMU

[PATCH v3] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list

2012-07-29 Thread Wang Sen
num + in_num consecutive elements of the sg[] array. I have tested the patch on my workstation. QEMU would not crash any more. Cc: # 3.4: 4fe74b1: [SCSI] virtio-scsi: SCSI driver Signed-off-by: Wang Sen --- drivers/scsi/virtio_scsi.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) d

[PATCH] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list

2012-07-25 Thread Wang Sen
xit when virtqueue_map_sg is called in QEMU because an invalid GPA is passed by virtqueue. My solution is using sg_set_page instead of sg_set_buf. I have tested the patch on my workstation. QEMU would not crash any more. Signed-off-by: Wang Sen --- drivers/scsi/virtio_scsi.c |3 ++- 1 f

[PATCH v2] scsi: virtio-scsi: Fix address translation failure of HighMem pages used by sg list

2012-07-25 Thread Wang Sen
EMU exit when virtqueue_map_sg is called in QEMU because an invalid GPA is passed by virtqueue. I take Paolo's solution mentioned in last thread to avoid failure on handling flag bits. I have tested the patch on my workstation. QEMU would not crash any more. Signed-off-by: Wang Sen --- driv