From: Raghavendra Rao Ananta <rananta@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Marc Zyngier <maz@kernel.org>, Andrew Jones <drjones@redhat.com>,
James Morse <james.morse@arm.com>,
Alexandru Elisei <alexandru.elisei@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: kvm@vger.kernel.org, Catalin Marinas <catalin.marinas@arm.com>,
Peter Shier <pshier@google.com>,
linux-kernel@vger.kernel.org, Will Deacon <will@kernel.org>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 08/15] KVM: arm64: selftests: Add support to disable and enable local IRQs
Date: Tue, 14 Sep 2021 22:31:07 +0000 [thread overview]
Message-ID: <20210914223114.435273-9-rananta@google.com> (raw)
In-Reply-To: <20210914223114.435273-1-rananta@google.com>
Add functions local_irq_enable() and local_irq_disable() to
enable and disable the IRQs from the guest, respectively.
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
---
.../testing/selftests/kvm/include/aarch64/processor.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tools/testing/selftests/kvm/include/aarch64/processor.h b/tools/testing/selftests/kvm/include/aarch64/processor.h
index 265054c24481..515d04a3c27d 100644
--- a/tools/testing/selftests/kvm/include/aarch64/processor.h
+++ b/tools/testing/selftests/kvm/include/aarch64/processor.h
@@ -172,4 +172,14 @@ static __always_inline u32 __raw_readl(const volatile void *addr)
#define writel(v,c) ({ __iowmb(); writel_relaxed((v),(c));})
#define readl(c) ({ u32 __v = readl_relaxed(c); __iormb(__v); __v; })
+static inline void local_irq_enable(void)
+{
+ asm volatile("msr daifclr, #3" : : : "memory");
+}
+
+static inline void local_irq_disable(void)
+{
+ asm volatile("msr daifset, #3" : : : "memory");
+}
+
#endif /* SELFTEST_KVM_PROCESSOR_H */
--
2.33.0.309.g3052b89438-goog
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next prev parent reply other threads:[~2021-09-14 22:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-14 22:30 [PATCH v7 00/15] KVM: arm64: selftests: Introduce arch_timer selftest Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 01/15] KVM: arm64: selftests: Add MMIO readl/writel support Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 02/15] tools: arm64: Import sysreg.h Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 03/15] KVM: arm64: selftests: Use read/write definitions from sysreg.h Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 04/15] KVM: arm64: selftests: Introduce ARM64_SYS_KVM_REG Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 05/15] KVM: arm64: selftests: Add support for cpu_relax Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 06/15] KVM: arm64: selftests: Add basic support for arch_timers Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 07/15] KVM: arm64: selftests: Add basic support to generate delays Raghavendra Rao Ananta
2021-09-14 22:31 ` Raghavendra Rao Ananta [this message]
2021-09-14 22:31 ` [PATCH v7 09/15] KVM: arm64: selftests: Maintain consistency for vcpuid type Raghavendra Rao Ananta
2021-09-15 5:54 ` Andrew Jones
2021-09-14 22:31 ` [PATCH v7 10/15] KVM: arm64: selftests: Add guest support to get the vcpuid Raghavendra Rao Ananta
2021-09-15 5:55 ` Andrew Jones
2021-09-14 22:31 ` [PATCH v7 11/15] KVM: arm64: selftests: Add light-weight spinlock support Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 12/15] KVM: arm64: selftests: Add basic GICv3 support Raghavendra Rao Ananta
2021-09-30 8:06 ` Zenghui Yu
2021-10-04 18:26 ` Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 13/15] KVM: arm64: selftests: Add host support for vGIC Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 14/15] KVM: arm64: selftests: Add arch_timer test Raghavendra Rao Ananta
2021-09-14 22:31 ` [PATCH v7 15/15] KVM: arm64: selftests: arch_timer: Support vCPU migration Raghavendra Rao Ananta
2021-09-30 9:41 ` Zenghui Yu
2021-10-04 18:23 ` Raghavendra Rao Ananta
2021-09-28 17:02 ` [PATCH v7 00/15] KVM: arm64: selftests: Introduce arch_timer selftest Raghavendra Rao Ananta
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