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From: Paolo Bonzini <pbonzini@redhat.com>
To: Thomas Huth <thuth@redhat.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Janosch Frank <frankja@linux.ibm.com>,
	kvm@vger.kernel.org
Cc: "Radim Krčmář" <rkrcmar@redhat.com>,
	"Shuah Khan" <shuah@kernel.org>,
	"David Hildenbrand" <david@redhat.com>,
	"Cornelia Huck" <cohuck@redhat.com>,
	"Andrew Jones" <drjones@redhat.com>,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	linux-s390@vger.kernel.org
Subject: Re: [RFC PATCH 4/4] KVM: selftests: Add the sync_regs test for s390x
Date: Mon, 20 May 2019 13:19:40 +0200	[thread overview]
Message-ID: <3e462f1d-c9c0-ac26-ed59-182fbbf60340@redhat.com> (raw)
In-Reply-To: <20190516111253.4494-5-thuth@redhat.com>

On 16/05/19 13:12, Thomas Huth wrote:
> +#define VCPU_ID 5
> +
> +static void guest_code(void)
> +{
> +	for (;;) {
> +		asm volatile ("diag 0,0,0x501");
> +		asm volatile ("ahi 11,1");
> +	}

I'd like this to use something like

	register u32 stage = 0 asm("11");
	...
	stage++

instead (yes, it should be fixed in x86 too).

Paolo

  reply	other threads:[~2019-05-20 11:19 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-16 11:12 [RFC PATCH 0/4] KVM selftests " Thomas Huth
2019-05-16 11:12 ` [RFC PATCH 1/4] KVM: selftests: Guard struct kvm_vcpu_events with __KVM_HAVE_VCPU_EVENTS Thomas Huth
2019-05-16 11:22   ` David Hildenbrand
2019-05-20  7:12   ` Christian Borntraeger
2019-05-20  8:08     ` Thomas Huth
2019-05-20  8:13       ` Christian Borntraeger
2019-05-16 11:12 ` [RFC PATCH 2/4] KVM: selftests: Align memory region addresses to 1M on s390x Thomas Huth
2019-05-16 11:30   ` David Hildenbrand
2019-05-16 11:59     ` Thomas Huth
2019-05-16 12:08       ` David Hildenbrand
2019-05-16 11:12 ` [RFC PATCH 3/4] KVM: selftests: Add processor code for s390x Thomas Huth
2019-05-16 11:12 ` [RFC PATCH 4/4] KVM: selftests: Add the sync_regs test " Thomas Huth
2019-05-20 11:19   ` Paolo Bonzini [this message]
2019-05-23 10:56   ` Andrew Jones
2019-05-23 11:19     ` Thomas Huth
2019-05-20 11:20 ` [RFC PATCH 0/4] KVM selftests " Paolo Bonzini
2019-05-20 11:30   ` Thomas Huth
2019-05-20 11:43     ` Paolo Bonzini
2019-05-22  8:44       ` Andrew Jones

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