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From: Sean Christopherson <seanjc@google.com>
To: kvm-riscv@lists.infradead.org
Subject: [PATCH v2 00/13] KVM: selftests: Morph max_guest_mem to mmu_stress
Date: Thu, 12 Sep 2024 07:03:48 -0700	[thread overview]
Message-ID: <ZuL0xEIB1ol5epEE@google.com> (raw)
In-Reply-To: <20240912-757a952b867ea1136cb260cf@orel>

On Thu, Sep 12, 2024, Andrew Jones wrote:
> I gave this test a try on riscv, but it appears to hang in
> rendezvous_with_vcpus(). My platform is QEMU, so maybe I was just too
> impatient.

Try running with " -m 1 -s 1", which tells the test to use only 1GiB of memory.
That should run quite quickly, even in an emulator.

> Anyway, I haven't read the test yet, so I don't even know what it's doing.
> It's possibly it's trying to do something not yet supported on riscv. I'll
> add investigating that to my TODO, but I'm not sure when I'll get to it.
> 
> As for this series, another patch (or a sneaky change to one
> of the patches...) should add 
> 
>  #include "ucall_common.h"
> 
> to mmu_stress_test.c since it's not there yet despite using get_ucall().
> Building riscv faild because of that.

Roger that.

Thanks!


WARNING: multiple messages have this Message-ID (diff)
From: Sean Christopherson <seanjc@google.com>
To: Andrew Jones <ajones@ventanamicro.com>
Cc: Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	 Anup Patel <anup@brainfault.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	 Christian Borntraeger <borntraeger@linux.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	 Claudio Imbrenda <imbrenda@linux.ibm.com>,
	linux-arm-kernel@lists.infradead.org,  kvmarm@lists.linux.dev,
	kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
	 linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	 James Houghton <jthoughton@google.com>
Subject: Re: [PATCH v2 00/13] KVM: selftests: Morph max_guest_mem to mmu_stress
Date: Thu, 12 Sep 2024 07:03:48 -0700	[thread overview]
Message-ID: <ZuL0xEIB1ol5epEE@google.com> (raw)
In-Reply-To: <20240912-757a952b867ea1136cb260cf@orel>

On Thu, Sep 12, 2024, Andrew Jones wrote:
> I gave this test a try on riscv, but it appears to hang in
> rendezvous_with_vcpus(). My platform is QEMU, so maybe I was just too
> impatient.

Try running with " -m 1 -s 1", which tells the test to use only 1GiB of memory.
That should run quite quickly, even in an emulator.

> Anyway, I haven't read the test yet, so I don't even know what it's doing.
> It's possibly it's trying to do something not yet supported on riscv. I'll
> add investigating that to my TODO, but I'm not sure when I'll get to it.
> 
> As for this series, another patch (or a sneaky change to one
> of the patches...) should add 
> 
>  #include "ucall_common.h"
> 
> to mmu_stress_test.c since it's not there yet despite using get_ucall().
> Building riscv faild because of that.

Roger that.

Thanks!

WARNING: multiple messages have this Message-ID (diff)
From: Sean Christopherson <seanjc@google.com>
To: Andrew Jones <ajones@ventanamicro.com>
Cc: Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	 Anup Patel <anup@brainfault.org>,
	Paolo Bonzini <pbonzini@redhat.com>,
	 Christian Borntraeger <borntraeger@linux.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	 Claudio Imbrenda <imbrenda@linux.ibm.com>,
	linux-arm-kernel@lists.infradead.org,  kvmarm@lists.linux.dev,
	kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
	 linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	 James Houghton <jthoughton@google.com>
Subject: Re: [PATCH v2 00/13] KVM: selftests: Morph max_guest_mem to mmu_stress
Date: Thu, 12 Sep 2024 07:03:48 -0700	[thread overview]
Message-ID: <ZuL0xEIB1ol5epEE@google.com> (raw)
In-Reply-To: <20240912-757a952b867ea1136cb260cf@orel>

On Thu, Sep 12, 2024, Andrew Jones wrote:
> I gave this test a try on riscv, but it appears to hang in
> rendezvous_with_vcpus(). My platform is QEMU, so maybe I was just too
> impatient.

Try running with " -m 1 -s 1", which tells the test to use only 1GiB of memory.
That should run quite quickly, even in an emulator.

> Anyway, I haven't read the test yet, so I don't even know what it's doing.
> It's possibly it's trying to do something not yet supported on riscv. I'll
> add investigating that to my TODO, but I'm not sure when I'll get to it.
> 
> As for this series, another patch (or a sneaky change to one
> of the patches...) should add 
> 
>  #include "ucall_common.h"
> 
> to mmu_stress_test.c since it's not there yet despite using get_ucall().
> Building riscv faild because of that.

Roger that.

Thanks!

_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2024-09-12 14:03 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-11 20:41 [PATCH v2 00/13] KVM: selftests: Morph max_guest_mem to mmu_stress Sean Christopherson
2024-09-11 20:41 ` Sean Christopherson
2024-09-11 20:41 ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 01/13] KVM: Move KVM_REG_SIZE() definition to common uAPI header Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 02/13] KVM: selftests: Return a value from vcpu_get_reg() instead of using an out-param Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-12  9:11   ` Andrew Jones
2024-09-12  9:11     ` Andrew Jones
2024-09-12  9:11     ` Andrew Jones
2024-09-12 13:49     ` Sean Christopherson
2024-09-12 13:49       ` Sean Christopherson
2024-09-12 13:49       ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 03/13] KVM: selftests: Fudge around an apparent gcc bug in arm64's PMU test Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-30 21:56   ` Sean Christopherson
2024-09-30 21:56     ` Sean Christopherson
2024-09-30 21:56     ` Sean Christopherson
2024-09-30 22:48     ` Sean Christopherson
2024-09-30 22:48       ` Sean Christopherson
2024-09-30 22:48       ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 04/13] KVM: selftests: Assert that vcpu_{g,s}et_reg() won't truncate Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-12  9:41   ` Andrew Jones
2024-09-12  9:41     ` Andrew Jones
2024-09-12  9:41     ` Andrew Jones
2024-09-12 16:17     ` Sean Christopherson
2024-09-12 16:17       ` Sean Christopherson
2024-09-12 16:17       ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 05/13] KVM: selftests: Check for a potential unhandled exception iff KVM_RUN succeeded Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 06/13] KVM: selftests: Rename max_guest_memory_test to mmu_stress_test Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 07/13] KVM: selftests: Only muck with SREGS on x86 in mmu_stress_test Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 08/13] KVM: selftests: Compute number of extra pages needed " Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 09/13] KVM: selftests: Enable mmu_stress_test on arm64 Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 10/13] KVM: selftests: Use vcpu_arch_put_guest() in mmu_stress_test Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 11/13] KVM: selftests: Precisely limit the number of guest loops " Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 12/13] KVM: selftests: Add a read-only mprotect() phase to mmu_stress_test Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41 ` [PATCH v2 13/13] KVM: selftests: Verify KVM correctly handles mprotect(PROT_READ) Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-11 20:41   ` Sean Christopherson
2024-09-12  0:19   ` James Houghton
2024-09-12  0:19     ` James Houghton
2024-09-12  0:19     ` James Houghton
2024-09-12 14:36     ` Sean Christopherson
2024-09-12 14:36       ` Sean Christopherson
2024-09-12 14:36       ` Sean Christopherson
2024-09-12 11:48 ` [PATCH v2 00/13] KVM: selftests: Morph max_guest_mem to mmu_stress Andrew Jones
2024-09-12 11:48   ` Andrew Jones
2024-09-12 11:48   ` Andrew Jones
2024-09-12 14:03   ` Sean Christopherson [this message]
2024-09-12 14:03     ` Sean Christopherson
2024-09-12 14:03     ` Sean Christopherson

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