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Re: [PATCH v2 3/3] mini-os: mm: convert set_readonly() to use walk_pt()


  • To: Jan Beulich <jbeulich@xxxxxxxx>, Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
  • From: Jürgen Groß <jgross@xxxxxxxx>
  • Date: Tue, 20 Aug 2024 15:10:43 +0200
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  • Cc: minios-devel@xxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Tue, 20 Aug 2024 13:10:50 +0000
  • List-id: Mini-os development list <minios-devel.lists.xenproject.org>

On 20.08.24 14:53, Jan Beulich wrote:
On 20.08.2024 13:57, Samuel Thibault wrote:
Juergen Gross, le mar. 13 août 2024 15:41:58 +0200, a ecrit:
+    if ( ro->count == L1_PAGETABLE_ENTRIES )
+    {
+         ro->count = 0;
+         if ( HYPERVISOR_mmu_update(mmu_updates, ro->count, NULL,
+                                    DOMID_SELF) < 0 )

You need to set ro->count *after* calling mmu_update.

Happy to move the line while committing, so long as Jürgen agrees.

Oh yes, of course I do.

Thanks,


Juergen

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