* [PATCH] iommu/amd: Correct the wrong setting of alias DTE in do_attach
@ 2016-01-20 14:01 Baoquan He
[not found] ` <1453298479-15434-1-git-send-email-bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
0 siblings, 1 reply; 2+ messages in thread
From: Baoquan He @ 2016-01-20 14:01 UTC (permalink / raw)
To: joro-zLv9SwRftAIdnm+yROfE0A
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA
In below commit alias DTE is set when its peripheral is
setting DTE. However there's a code bug here to wrongly
set the alias DTE, correct it in this patch.
commit e25bfb56ea7f046b71414e02f80f620deb5c6362
Author: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
Date: Tue Oct 20 17:33:38 2015 +0200
iommu/amd: Set alias DTE in do_attach/do_detach
Signed-off-by: Baoquan He <bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Tested-by: Mark Hounschell <markh-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
---
drivers/iommu/amd_iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 539b0de..e5e2239 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2049,7 +2049,7 @@ static void do_attach(struct iommu_dev_data *dev_data,
/* Update device table */
set_dte_entry(dev_data->devid, domain, ats);
if (alias != dev_data->devid)
- set_dte_entry(dev_data->devid, domain, ats);
+ set_dte_entry(alias, domain, ats);
device_flush_dte(dev_data);
}
--
2.5.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] iommu/amd: Correct the wrong setting of alias DTE in do_attach
[not found] ` <1453298479-15434-1-git-send-email-bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
@ 2016-01-29 11:28 ` Joerg Roedel
0 siblings, 0 replies; 2+ messages in thread
From: Joerg Roedel @ 2016-01-29 11:28 UTC (permalink / raw)
To: Baoquan He; +Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA
On Wed, Jan 20, 2016 at 10:01:19PM +0800, Baoquan He wrote:
> In below commit alias DTE is set when its peripheral is
> setting DTE. However there's a code bug here to wrongly
> set the alias DTE, correct it in this patch.
>
> commit e25bfb56ea7f046b71414e02f80f620deb5c6362
> Author: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
> Date: Tue Oct 20 17:33:38 2015 +0200
>
> iommu/amd: Set alias DTE in do_attach/do_detach
>
> Signed-off-by: Baoquan He <bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Tested-by: Mark Hounschell <markh-n2QNKt385d+sTnJN9+BGXg@public.gmane.org>
Applied, thanks.
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2016-01-20 14:01 [PATCH] iommu/amd: Correct the wrong setting of alias DTE in do_attach Baoquan He
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2016-01-29 11:28 ` Joerg Roedel
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