[Qemu-devel] tcg/ppc: maintainer's mail delivery failure

[Qemu-devel] tcg/ppc: maintainer's mail delivery failure

[Sergey Fedorov]

Hi Peter,

Probably we don't have a maintainer for PPC TCG backend.

    PPC
    M: Vassili Karpov (malc) <av1474@comtv.ru>
    S: Maintained
    F: tcg/ppc/
    F: disas/ppc.c

Kind regards,
Sergey

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From: sergey.fedorov@linaro.org
To: qemu-devel@nongnu.org
Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>,
	Sergey Fedorov <serge.fdrv@gmail.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Peter Crosthwaite <crosthwaite.peter@gmail.com>,
	Richard Henderson <rth@twiddle.net>,
	Sergey Fedorov <sergey.fedorov@linaro.org>,
	Claudio Fontana <claudio.fontana@huawei.com>,
	Andrzej Zaborowski <balrogg@gmail.com>,
	Aurelien Jarno <aurelien@aurel32.net>,
	"Vassili Karpov (malc)" <av1474@comtv.ru>,
	Alexander Graf <agraf@suse.de>,
	Blue Swirl <blauwirbel@gmail.com>,
	Stefan Weil <sw@weilnetz.de>,
	qemu-arm@nongnu.org
Subject: [PATCH 1/8] tcg: Clean up direct block chaining data fields
Date: Thu, 24 Mar 2016 13:39:14 +0300
Message-Id: <1458815961-31979-2-git-send-email-sergey.fedorov@linaro.org>
X-Mailer: git-send-email 2.7.3
In-Reply-To: <1458815961-31979-1-git-send-email-sergey.fedorov@linaro.org>
References: <1458815961-31979-1-git-send-email-sergey.fedorov@linaro.org>

From: Sergey Fedorov <serge.fdrv@gmail.com>

Briefly describe in a comment how direct block chaining is done. It
should help in understanding of the following data fields.

Rename some fields in TranslationBlock and TCGContext structures to
better reflect their purpose (dropping excessive 'tb_' prefix in
TranslationBlock but keeping it in TCGContext):
   tb_next_offset  =>  jmp_reset_offset
   tb_jmp_offset   =>  jmp_insn_offset
   tb_next         =>  jmp_target_addr
   jmp_next        =>  jmp_list_next
   jmp_first       =>  jmp_list_first

Avoid using a magic constant as an invalid offset which is used to
indicate that there's no n-th jump generated.

Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
---
 include/exec/exec-all.h      | 44 ++++++++++++++++++++++++--------------
 tcg/aarch64/tcg-target.inc.c |  7 +++---
 tcg/arm/tcg-target.inc.c     |  8 +++----
 tcg/i386/tcg-target.inc.c    |  8 +++----
 tcg/ia64/tcg-target.inc.c    |  6 +++---
 tcg/mips/tcg-target.inc.c    |  8 +++----
 tcg/ppc/tcg-target.inc.c     |  6 +++---
 tcg/s390/tcg-target.inc.c    | 11 +++++-----
 tcg/sparc/tcg-target.inc.c   |  9 ++++----
 tcg/tcg.h                    |  6 +++---
 tcg/tci/tcg-target.inc.c     | 10 ++++-----
 translate-all.c              | 51 +++++++++++++++++++++++---------------------
 12 files changed, 96 insertions(+), 78 deletions(-)

diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 05a151da4a54..cc3d2ca25917 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -257,20 +257,32 @@ struct TranslationBlock {
     struct TranslationBlock *page_next[2];
     tb_page_addr_t page_addr[2];
 
-    /* the following data are used to directly call another TB from
-       the code of this one. */
-    uint16_t tb_next_offset[2]; /* offset of original jump target */
+    /* The following data are used to directly call another TB from
+     * the code of this one.

----- Message truncated -----

Re: [Qemu-devel] tcg/ppc: maintainer's mail delivery failure

[Peter Maydell]

On 24 March 2016 at 10:55, Sergey Fedorov <sergey.fedorov@linaro.org> wrote:
> Hi Peter,
>
> Probably we don't have a maintainer for PPC TCG backend.
>
>     PPC
>     M: Vassili Karpov (malc) <av1474@comtv.ru>
>     S: Maintained
>     F: tcg/ppc/
>     F: disas/ppc.c

Yes, malc has not been with the project for some years now. We
should probably go through and tidy up the MAINTAINERS file.

thanks
-- PMM

Re: [Qemu-devel] tcg/ppc: maintainer's mail delivery failure

[Peter Maydell]

On 24 March 2016 at 11:09, Peter Maydell <peter.maydell@linaro.org> wrote:
> On 24 March 2016 at 10:55, Sergey Fedorov <sergey.fedorov@linaro.org> wrote:
>> Probably we don't have a maintainer for PPC TCG backend.
>>
>>     PPC
>>     M: Vassili Karpov (malc) <av1474@comtv.ru>
>>     S: Maintained
>>     F: tcg/ppc/
>>     F: disas/ppc.c
>
> Yes, malc has not been with the project for some years now. We
> should probably go through and tidy up the MAINTAINERS file.

Would anybody like to put their name forward for tcg/ppc maintainer
(possibly at Odd Fixes status), or should we mark this as Orphaned ?

I have cc'd some plausible suspects. If nobody cares to volunteer
within a few weeks I'll send out a patch marking it as Orphan.

thanks
-- PMM

Re: [Qemu-devel] tcg/ppc: maintainer's mail delivery failure

[Richard Henderson]

On 03/31/2016 10:30 AM, Peter Maydell wrote:
> On 24 March 2016 at 11:09, Peter Maydell <peter.maydell@linaro.org> wrote:
>> On 24 March 2016 at 10:55, Sergey Fedorov <sergey.fedorov@linaro.org> wrote:
>>> Probably we don't have a maintainer for PPC TCG backend.
>>>
>>>     PPC
>>>     M: Vassili Karpov (malc) <av1474@comtv.ru>
>>>     S: Maintained
>>>     F: tcg/ppc/
>>>     F: disas/ppc.c
>>
>> Yes, malc has not been with the project for some years now. We
>> should probably go through and tidy up the MAINTAINERS file.
> 
> Would anybody like to put their name forward for tcg/ppc maintainer
> (possibly at Odd Fixes status), or should we mark this as Orphaned ?
> 
> I have cc'd some plausible suspects. If nobody cares to volunteer
> within a few weeks I'll send out a patch marking it as Orphan.

I'll do odd fixes.  Thankfully the gcc compile farm makes this easy.


r~