Thread (12 messages) 12 messages, 2 authors, 5d ago
COOLING5d

[PATCH v1 04/11] KVM: arm64: nVHE: Use NULL to reset the trace buffer backing pointer

From: Fuad Tabba <hidden>
Date: 2026-07-20 16:14:15
Also in: kvmarm, linux-arm-kernel, lkml
Subsystem: arm64 port (aarch64 architecture), kernel virtual machine for arm64 (kvm/arm64), the rest · Maintainers: Catalin Marinas, Will Deacon, Marc Zyngier, Oliver Upton, Linus Torvalds

bpages_backing_start is a pointer; resetting it to plain 0 triggers a
sparse warning.

No functional change intended.

Signed-off-by: Fuad Tabba <redacted>
---
 arch/arm64/kvm/hyp/nvhe/trace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kvm/hyp/nvhe/trace.c b/arch/arm64/kvm/hyp/nvhe/trace.c
index e7e150ab265ff..177fe3d8fbb13 100644
--- a/arch/arm64/kvm/hyp/nvhe/trace.c
+++ b/arch/arm64/kvm/hyp/nvhe/trace.c
@@ -93,7 +93,7 @@ static void hyp_trace_buffer_unload_bpage_backing(struct hyp_trace_buffer *trace
 
 	__release_host_mem(start, size);
 
-	trace_buffer->bpages_backing_start = 0;
+	trace_buffer->bpages_backing_start = NULL;
 	trace_buffer->bpages_backing_size = 0;
 }
 
-- 
2.39.5
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