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[PATCH] x86/mm: Fix up bad bool conversion in ept_set_entry()


  • To: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
  • Date: Wed, 22 Nov 2023 10:28:08 +0000
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  • Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
  • Delivery-date: Wed, 22 Nov 2023 10:28:42 +0000
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This accidentally turned a 1 into false.

Noticed by Coverity.

Reported-by: Jan Beulich <JBeulich@xxxxxxxx>
Fixes: de577618c285 ("x86/treewide: Switch bool_t to bool")
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
CC: Wei Liu <wl@xxxxxxx>
---
 xen/arch/x86/mm/p2m-ept.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/mm/p2m-ept.c b/xen/arch/x86/mm/p2m-ept.c
index 227bdf7c2433..f83610cb8cd8 100644
--- a/xen/arch/x86/mm/p2m-ept.c
+++ b/xen/arch/x86/mm/p2m-ept.c
@@ -803,7 +803,7 @@ ept_set_entry(struct p2m_domain *p2m, gfn_t gfn_, mfn_t mfn,
     bool need_modify_vtd_table = true;
     bool vtd_pte_present = false;
     unsigned int iommu_flags = p2m_get_iommu_flags(p2mt, p2ma, mfn);
-    bool needs_sync = false;
+    bool needs_sync = true;
     ept_entry_t old_entry = { .epte = 0 };
     ept_entry_t new_entry = { .epte = 0 };
     struct ept_data *ept = &p2m->ept;

base-commit: 10081c2dc571775b538bb00982606a39832ad7e3
-- 
2.30.2




 


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