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From: Fabiano Rosas <farosas@linux.ibm.com>
To: "Bruno Larsen (billionai)" <bruno.larsen@eldorado.org.br>,
	qemu-devel@nongnu.org
Cc: luis.pires@eldorado.org.br, andre.silva@eldorado.org.br,
	lucas.araujo@eldorado.org.br, fernando.valle@eldorado.org.br,
	qemu-ppc@nongnu.org, lagarcia@br.ibm.com,
	"Bruno Larsen \(billionai\)" <bruno.larsen@eldorado.org.br>,
	matheus.ferst@eldorado.org.br
Subject: Re: [PATCH 1/4] target/ppc: Code motion required to build disabling tcg
Date: Fri, 09 Apr 2021 16:48:41 -0300	[thread overview]
Message-ID: <87h7kf5jdy.fsf@linux.ibm.com> (raw)
In-Reply-To: <20210409151916.97326-2-bruno.larsen@eldorado.org.br>

"Bruno Larsen (billionai)" <bruno.larsen@eldorado.org.br> writes:

A general advice for this whole series is: make sure you add in some
words explaining why you decided to make a particular change. It will be
much easier to review if we know what were the logical steps leading to
the change.

> This commit does the necessary code motion from translate_init.c.inc

For instance, I don't immediately see why these changes are necessary. I
see that translate_init.c.inc already has some `#ifdef CONFIG_TCG`, so
why do we need to move a bunch of code into cpu.c instead of just adding
more code under ifdef CONFIG_TCG? (I'm not saying it's wrong, just trying to
understand the reasoning).

Is translate_init.c.inc intended to be TCG only? But then I see you
moved TCG-only functions out of it (ppc_fixup_cpu) and left not TCG-only
functions (gen_spr_generic).

> This moves all functions that start with gdb_* into target/ppc/gdbstub.c
> and creates a new function that calls those and is called by ppc_cpu_realize

This looks like it makes sense regardless of disable-tcg, could we have
it in a standalone patch?

> All functions related to realizing the cpu have been moved to cpu.c, which
> may call functions from gdbstub or translate_init

Again, I don't disagree with this, but at first sight it doesn't seem
entirely related to disabling TCG.



  reply	other threads:[~2021-04-09 19:49 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-09 15:19 [RFC PATCH 0/4] target/ppc: add disable-tcg option Bruno Larsen (billionai)
2021-04-09 15:19 ` [PATCH 1/4] target/ppc: Code motion required to build disabling tcg Bruno Larsen (billionai)
2021-04-09 19:48   ` Fabiano Rosas [this message]
2021-04-12  4:34     ` David Gibson
2021-04-09 15:19 ` [PATCH 2/4] target/ppc: added solutions for building with disable-tcg Bruno Larsen (billionai)
2021-04-09 20:40   ` Fabiano Rosas
2021-04-12  5:08   ` David Gibson
2021-04-12 15:40     ` Richard Henderson
2021-04-13  6:42       ` David Gibson
2021-04-09 15:19 ` [PATCH 3/4] target/ppc: Add stubs for tcg functions, so it builds Bruno Larsen (billionai)
2021-04-19  5:28   ` David Gibson
2021-04-09 15:19 ` [PATCH 4/4] target/ppc: updated build rules for disable-tcg option Bruno Larsen (billionai)
2021-04-09 15:57 ` [RFC PATCH 0/4] target/ppc: add " no-reply
2021-04-12  5:13   ` David Gibson
2021-04-12  4:32 ` David Gibson
2021-04-12 12:05 [PATCH 1/4] target/ppc: Code motion required to build disabling tcg Bruno Piazera Larsen
2021-04-12 13:56 ` Fabiano Rosas
2021-04-13  6:40 ` David Gibson
2021-04-13 17:43 Bruno Piazera Larsen
2021-04-13 21:38 ` Fabiano Rosas
2021-04-14 12:04   ` Bruno Piazera Larsen
2021-04-14 20:05     ` Fabiano Rosas
2021-04-19  5:23   ` David Gibson
2021-04-14 19:37 ` Richard Henderson
2021-04-14 20:07   ` Bruno Piazera Larsen
2021-04-14 20:32     ` Richard Henderson
2021-04-19  5:21 ` David Gibson
2021-04-19 14:40 Bruno Piazera Larsen
2021-04-20  1:20 ` David Gibson
2021-04-20 19:02 Bruno Piazera Larsen
2021-04-21  5:13 ` David Gibson
2021-04-22 12:34 Bruno Piazera Larsen
2021-04-22 19:35 ` Fabiano Rosas
2021-04-23  0:08   ` David Gibson
2021-04-23 13:28     ` Fabiano Rosas
2021-04-27  1:29       ` David Gibson

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