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From: Alexander Graf <agraf@suse.de>
To: Anton Blanchard <anton@samba.org>,
	benh@kernel.crashing.org, paulus@samba.org, clg@fr.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,
	kvm-ppc@vger.kernel.org
Subject: Re: [PATCH 3/4] KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue
Date: Tue, 17 Jun 2014 18:05:45 +0200	[thread overview]
Message-ID: <53A06759.9050601@suse.de> (raw)
In-Reply-To: <20140612181610.3479c3f2@kryten>


On 12.06.14 10:16, Anton Blanchard wrote:
> To establish addressability quickly, ABIv2 requires the target
> address of the function being called to be in r12.
>
> Signed-off-by: Anton Blanchard <anton@samba.org>

Thanks, applied to kvm-ppc-queue.


Alex

> ---
>
> Index: b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> ===================================================================
> --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
> @@ -1920,8 +1920,8 @@ hcall_try_real_mode:
>   	lwax	r3,r3,r4
>   	cmpwi	r3,0
>   	beq	guest_exit_cont
> -	add	r3,r3,r4
> -	mtctr	r3
> +	add	r12,r3,r4
> +	mtctr	r12
>   	mr	r3,r9		/* get vcpu pointer */
>   	ld	r4,VCPU_GPR(R4)(r9)
>   	bctrl

  reply	other threads:[~2014-06-17 16:05 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-12  8:14 [PATCH 1/4] KVM: PPC: Book3S PR: Fix ABIv2 issues Anton Blanchard
2014-06-12  8:15 ` [PATCH 2/4] KVM: PPC: Book3S HV: " Anton Blanchard
2014-06-12  8:16 ` [PATCH 3/4] KVM: PPC: Book3S HV: Fix ABIv2 indirect branch issue Anton Blanchard
2014-06-17 16:05   ` Alexander Graf [this message]
2014-06-12  8:16 ` [PATCH 4/4] KVM: PPC: Assembly functions exported to modules need _GLOBAL_TOC() Anton Blanchard
2014-06-17 16:06   ` Alexander Graf

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