* [PATCH] xen/mmu: set MMU_NORMAL_PT_UPDATE in remap_area_mfn_pte_fn
@ 2017-08-29 10:27 Wei Liu
2017-08-29 17:21 ` Boris Ostrovsky
0 siblings, 1 reply; 2+ messages in thread
From: Wei Liu @ 2017-08-29 10:27 UTC (permalink / raw)
To: Xen-devel; +Cc: Juergen Gross, Boris Ostrovsky, Wei Liu
No functional change because MMU_NORMAL_PT_UPDATE is in fact 0. Set it
to make the code consistent with similar code in mmu_pv.c
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
arch/x86/xen/mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 3be06f3caf3c..3e15345abfe7 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -84,7 +84,7 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token,
else
rmd->mfn++;
- rmd->mmu_update->ptr = virt_to_machine(ptep).maddr;
+ rmd->mmu_update->ptr = virt_to_machine(ptep).maddr | MMU_NORMAL_PT_UPDATE;
rmd->mmu_update->val = pte_val_ma(pte);
rmd->mmu_update++;
--
2.11.0
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] xen/mmu: set MMU_NORMAL_PT_UPDATE in remap_area_mfn_pte_fn
2017-08-29 10:27 [PATCH] xen/mmu: set MMU_NORMAL_PT_UPDATE in remap_area_mfn_pte_fn Wei Liu
@ 2017-08-29 17:21 ` Boris Ostrovsky
0 siblings, 0 replies; 2+ messages in thread
From: Boris Ostrovsky @ 2017-08-29 17:21 UTC (permalink / raw)
To: Wei Liu, Xen-devel; +Cc: Juergen Gross
On 08/29/2017 06:27 AM, Wei Liu wrote:
> No functional change because MMU_NORMAL_PT_UPDATE is in fact 0. Set it
> to make the code consistent with similar code in mmu_pv.c
>
> Signed-off-by: Wei Liu <wei.liu2@citrix.com>
> ---
> arch/x86/xen/mmu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
> index 3be06f3caf3c..3e15345abfe7 100644
> --- a/arch/x86/xen/mmu.c
> +++ b/arch/x86/xen/mmu.c
> @@ -84,7 +84,7 @@ static int remap_area_mfn_pte_fn(pte_t *ptep, pgtable_t token,
> else
> rmd->mfn++;
>
> - rmd->mmu_update->ptr = virt_to_machine(ptep).maddr;
> + rmd->mmu_update->ptr = virt_to_machine(ptep).maddr | MMU_NORMAL_PT_UPDATE;
> rmd->mmu_update->val = pte_val_ma(pte);
> rmd->mmu_update++;
>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Applied to for-linus-4.14
-boris
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2017-08-29 10:27 [PATCH] xen/mmu: set MMU_NORMAL_PT_UPDATE in remap_area_mfn_pte_fn Wei Liu
2017-08-29 17:21 ` Boris Ostrovsky
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