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kvm: selftests: aarch64: fix assert in gicv3_access_reg

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The val argument in gicv3_access_reg can have any value when used for a
read, not necessarily 0.  Fix the assert by checking val only for
writes.

Signed-off-by: Ricardo Koller <ricarkol@google.com>
Reported-by: Reiji Watanabe <reijiw@google.com>
Cc: Andrew Jones <drjones@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220127030858.3269036-2-ricarkol@google.com
This commit is contained in:
Ricardo Koller 2022-01-26 19:08:54 -08:00 committed by Marc Zyngier
parent dfd42facf1
commit cc94d47ce1
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/kvm/lib/aarch64/gic_v3.c
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@ -159,7 +159,7 @@ static void gicv3_access_reg(uint32_t intid, uint64_t offset,
uint32_t cpu_or_dist;
GUEST_ASSERT(bits_per_field <= reg_bits);
GUEST_ASSERT(*val < (1U << bits_per_field));
GUEST_ASSERT(!write || *val < (1U << bits_per_field));
/* Some registers like IROUTER are 64 bit long. Those are currently not
* supported by readl nor writel, so just asserting here until then.
*/