[PULL 07/37] target/arm/kvm64: Ensure sve vls map is completely clear

Maintainers: "Philippe Mathieu-Daudé" <philmd@redhat.com>, Thomas Huth <thuth@redhat.com>, Corey Minyard <minyard@acm.org>, Michael Tokarev <mjt@tls.msk.ru>, "Michael S. Tsirkin" <mst@redhat.com>, David Hildenbrand <david@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Peter Xu <peterx@redhat.com>, Jason Wang <jasowang@redhat.com>, Laurent Vivier <lvivier@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Laurent Vivier <laurent@vivier.eu>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, "Alex Bennée" <alex.bennee@linaro.org>, Alistair Francis <alistair@alistair23.me>, Eduardo Habkost <ehabkost@redhat.com>
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[PULL 07/37] target/arm/kvm64: Ensure sve vls map is completely clear
Posted by Peter Maydell 3 years, 8 months ago
From: Andrew Jones <drjones@redhat.com>

bitmap_clear() only clears the given range. While the given
range should be sufficient in this case we might as well be
100% sure all bits are zeroed by using bitmap_zero().

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210823160647.34028-3-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/kvm64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c
index 59982d470d3..e790d6c9a57 100644
--- a/target/arm/kvm64.c
+++ b/target/arm/kvm64.c
@@ -740,7 +740,7 @@ void kvm_arm_sve_get_vls(CPUState *cs, unsigned long *map)
     uint32_t vq = 0;
     int i, j;
 
-    bitmap_clear(map, 0, ARM_MAX_VQ);
+    bitmap_zero(map, ARM_MAX_VQ);
 
     /*
      * KVM ensures all host CPUs support the same set of vector lengths.
-- 
2.20.1