From: Joerg Roedel
commit 51b75b5b563a2637f9d8dc5bd02a31b2ff9e5ea0 upstream.
Do not require a struct page for the mapped memory location because it
might not exist. This can happen when an ioremapped region is mapped with
2MB pages.
Fixes: 5d72b4fba40ef ('x86, mm: support huge I/O mapping capab
From: Joerg Roedel
commit 51b75b5b563a2637f9d8dc5bd02a31b2ff9e5ea0 upstream.
Do not require a struct page for the mapped memory location because it
might not exist. This can happen when an ioremapped region is mapped with
2MB pages.
Fixes: 5d72b4fba40ef ('x86, mm: support huge I/O mapping capab
From: Joerg Roedel
Do not require a struct page for the mapped memory location
because it might not exist. This can happen when an
ioremapped region is mapped with 2MB pages.
Fixes: 5d72b4fba40ef ('x86, mm: support huge I/O mapping capability I/F')
Reviewed-by: Dave Hansen
Signed-off-by: Joerg
From: Joerg Roedel
Do not require a struct page for the mapped memory location
because it might not exist. This can happen when an
ioremapped region is mapped with 2MB pages.
Fixes: 5d72b4fba40ef ('x86, mm: support huge I/O mapping capability I/F')
Signed-off-by: Joerg Roedel
---
arch/x86/mm/f
On Mon, 15 Jul 2019, Joerg Roedel wrote:
> On Mon, Jul 15, 2019 at 03:08:42PM +0200, Thomas Gleixner wrote:
> > On Mon, 15 Jul 2019, Joerg Roedel wrote:
> >
> > > From: Joerg Roedel
> > >
> > > Do not require a struct page for the mapped memory location
> > > because it might not exist. This can
On Mon, Jul 15, 2019 at 03:08:42PM +0200, Thomas Gleixner wrote:
> On Mon, 15 Jul 2019, Joerg Roedel wrote:
>
> > From: Joerg Roedel
> >
> > Do not require a struct page for the mapped memory location
> > because it might not exist. This can happen when an
> > ioremapped region is mapped with 2M
On Mon, 15 Jul 2019, Joerg Roedel wrote:
> From: Joerg Roedel
>
> Do not require a struct page for the mapped memory location
> because it might not exist. This can happen when an
> ioremapped region is mapped with 2MB pages.
>
> Signed-off-by: Joerg Roedel
Lacks a Fixes tag, hmm?
From: Joerg Roedel
Do not require a struct page for the mapped memory location
because it might not exist. This can happen when an
ioremapped region is mapped with 2MB pages.
Signed-off-by: Joerg Roedel
---
arch/x86/mm/fault.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a
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