From: Paolo Bonzini <pbonzini@redhat.com>
To: Andrew Jones <drjones@redhat.com>, Laurent Vivier <lvivier@redhat.com>
Cc: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, thuth@redhat.com,
dgibson@redhat.com, agraf@suse.de
Subject: Re: [kvm-unit-tests PATCH v2 2/2] powerpc: select endianness
Date: Mon, 29 Feb 2016 16:06:53 +0000 [thread overview]
Message-ID: <56D46C9D.9050908@redhat.com> (raw)
In-Reply-To: <20160226184502.35oadt5jw2ck46la@hawk.localdomain>
On 26/02/2016 19:45, Andrew Jones wrote:
>> > + LOAD_REG_ADDR(r10,rtas_return_loc)
>> > + mtlr r10
>> > +
>> > LOAD_REG_ADDR(r10, rtas_blob)
>> > -//FIXME: change this bctrl to an rtas-prep, rfid, rtas-return sequence
>> > - mtctr r10
>> > - nop
>> > - bctrl
>> > + B_BE(r10)
Note that this doesn't apply. I've applied patch 1 though.
Paolo
>> > +
>> > +rtas_return_loc:
>> > + RETURN_FROM_BE
>> > ld r0, 16(r1)
>> > mtlr r0
>> > blr
> Besides my earlier comment about always needing rfid to prep for the
> rtas call (which my FIXUP comment here poorly indicated), then this
> looks good to me. Although I'm not sure I like the name RETURN_FROM_BE,
> as sometimes we're returning to LE, and sometimes we're not. In the
> not case, it's a bit confusing.
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Andrew Jones <drjones@redhat.com>, Laurent Vivier <lvivier@redhat.com>
Cc: kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, thuth@redhat.com,
dgibson@redhat.com, agraf@suse.de
Subject: Re: [kvm-unit-tests PATCH v2 2/2] powerpc: select endianness
Date: Mon, 29 Feb 2016 17:06:53 +0100 [thread overview]
Message-ID: <56D46C9D.9050908@redhat.com> (raw)
In-Reply-To: <20160226184502.35oadt5jw2ck46la@hawk.localdomain>
On 26/02/2016 19:45, Andrew Jones wrote:
>> > + LOAD_REG_ADDR(r10,rtas_return_loc)
>> > + mtlr r10
>> > +
>> > LOAD_REG_ADDR(r10, rtas_blob)
>> > -//FIXME: change this bctrl to an rtas-prep, rfid, rtas-return sequence
>> > - mtctr r10
>> > - nop
>> > - bctrl
>> > + B_BE(r10)
Note that this doesn't apply. I've applied patch 1 though.
Paolo
>> > +
>> > +rtas_return_loc:
>> > + RETURN_FROM_BE
>> > ld r0, 16(r1)
>> > mtlr r0
>> > blr
> Besides my earlier comment about always needing rfid to prep for the
> rtas call (which my FIXUP comment here poorly indicated), then this
> looks good to me. Although I'm not sure I like the name RETURN_FROM_BE,
> as sometimes we're returning to LE, and sometimes we're not. In the
> not case, it's a bit confusing.
next prev parent reply other threads:[~2016-02-29 16:06 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 17:08 [kvm-unit-tests PATCH v2 0/2] powerpc: add little-endian support Laurent Vivier
2016-02-26 17:08 ` Laurent Vivier
2016-02-26 17:08 ` [kvm-unit-tests PATCH v2 1/2] powerpc: allow to build big-endian binaries on little-endian host Laurent Vivier
2016-02-26 17:08 ` Laurent Vivier
2016-02-26 17:41 ` Andrew Jones
2016-02-26 17:41 ` Andrew Jones
2016-02-26 17:42 ` Andrew Jones
2016-02-26 17:42 ` Andrew Jones
2019-05-15 0:28 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on decr Suraj Jitindar Singh
2019-05-15 0:28 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on decr excp Suraj Jitindar Singh
2019-05-15 0:28 ` [kvm-unit-tests PATCH v2 2/2] powerpc: Make h_cede_tm test run by default Suraj Jitindar Singh
2019-05-15 0:28 ` Suraj Jitindar Singh
2019-05-15 16:25 ` Laurent Vivier
2019-05-15 16:25 ` Laurent Vivier
2019-05-17 10:13 ` Thomas Huth
2019-05-17 10:13 ` Thomas Huth
2019-05-15 16:22 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on Laurent Vivier
2019-05-15 16:22 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on decr excp Laurent Vivier
2019-05-15 23:27 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on Suraj Jitindar Singh
2019-05-15 23:27 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on decr excp Suraj Jitindar Singh
2019-05-17 10:20 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on Thomas Huth
2019-05-17 10:20 ` [kvm-unit-tests PATCH v2 1/2] powerpc: Allow for a custom decr value to be specified to load on decr excp Thomas Huth
2016-02-26 17:08 ` [kvm-unit-tests PATCH v2 2/2] powerpc: select endianness Laurent Vivier
2016-02-26 17:08 ` Laurent Vivier
2016-02-26 18:45 ` Andrew Jones
2016-02-26 18:45 ` Andrew Jones
2016-02-29 13:24 ` Laurent Vivier
2016-02-29 13:24 ` Laurent Vivier
2016-02-29 16:06 ` Paolo Bonzini [this message]
2016-02-29 16:06 ` Paolo Bonzini
2016-02-29 16:44 ` Laurent Vivier
2016-02-29 16:44 ` Laurent Vivier
2016-02-29 17:53 ` Laurent Vivier
2016-02-29 17:53 ` Laurent Vivier
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