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: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>, Peter Shier <pshier@google.com>,
Ricardo Koller <ricarkol@google.com>,
Oliver Upton <oupton@google.com>,
Reiji Watanabe <reijiw@google.com>,
Jing Zhang <jingzhangos@google.com>,
Raghavendra Rao Anata <rananta@google.com>,
linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org
Subject: [PATCH v8 08/15] KVM: arm64: selftests: Add support to disable and enable local IRQs
Date: Thu, 7 Oct 2021 23:34:32 +0000 [thread overview]
Message-ID: <20211007233439.1826892-9-rananta@google.com> (raw)
In-Reply-To: <20211007233439.1826892-1-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 */
--
2.33.0.882.g93a45727a2-goog
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next prev parent reply other threads:[~2021-10-07 23:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-07 23:34 [PATCH v8 00/15] KVM: arm64: selftests: Introduce arch_timer selftest Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 01/15] KVM: arm64: selftests: Add MMIO readl/writel support Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 02/15] tools: arm64: Import sysreg.h Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 03/15] KVM: arm64: selftests: Use read/write definitions from sysreg.h Raghavendra Rao Ananta
2021-10-11 8:15 ` Marc Zyngier
2021-10-11 16:08 ` Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 04/15] KVM: arm64: selftests: Introduce ARM64_SYS_KVM_REG Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 05/15] KVM: arm64: selftests: Add support for cpu_relax Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 06/15] KVM: arm64: selftests: Add basic support for arch_timers Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 07/15] KVM: arm64: selftests: Add basic support to generate delays Raghavendra Rao Ananta
2021-10-07 23:34 ` Raghavendra Rao Ananta [this message]
2021-10-07 23:34 ` [PATCH v8 09/15] KVM: arm64: selftests: Maintain consistency for vcpuid type Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 10/15] KVM: arm64: selftests: Add guest support to get the vcpuid Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 11/15] KVM: arm64: selftests: Add light-weight spinlock support Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 12/15] KVM: arm64: selftests: Add basic GICv3 support Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 13/15] KVM: arm64: selftests: Add host support for vGIC Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 14/15] KVM: arm64: selftests: Add arch_timer test Raghavendra Rao Ananta
2021-10-07 23:34 ` [PATCH v8 15/15] KVM: arm64: selftests: arch_timer: Support vCPU migration Raghavendra Rao Ananta
2021-10-17 10:20 ` [PATCH v8 00/15] KVM: arm64: selftests: Introduce arch_timer selftest Marc Zyngier
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