[PATCH v3 4/6] arm64: nvhe: Convert the opencoded field modify
Luo Jie
quic_luoj at quicinc.com
Thu Apr 17 03:47:11 PDT 2025
Replaced below code with the wrapper FIELD_MODIFY(MASK, ®, val)
- reg &= ~MASK;
- reg |= FIELD_PREP(MASK, val);
The semantic patch that makes this change is available
in scripts/coccinelle/misc/field_modify.cocci.
More information about semantic patching is available at
https://coccinelle.gitlabpages.inria.fr/website
Signed-off-by: Luo Jie <quic_luoj at quicinc.com>
---
arch/arm64/kvm/hyp/include/nvhe/memory.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/arm64/kvm/hyp/include/nvhe/memory.h b/arch/arm64/kvm/hyp/include/nvhe/memory.h
index 34233d586060..b2af748964d0 100644
--- a/arch/arm64/kvm/hyp/include/nvhe/memory.h
+++ b/arch/arm64/kvm/hyp/include/nvhe/memory.h
@@ -30,8 +30,7 @@ enum pkvm_page_state {
static inline enum kvm_pgtable_prot pkvm_mkstate(enum kvm_pgtable_prot prot,
enum pkvm_page_state state)
{
- prot &= ~PKVM_PAGE_STATE_PROT_MASK;
- prot |= FIELD_PREP(PKVM_PAGE_STATE_PROT_MASK, state);
+ FIELD_MODIFY(PKVM_PAGE_STATE_PROT_MASK, &prot, state);
return prot;
}
--
2.34.1
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