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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	naveen.n.rao@linux.vnet.ibm.com, jniethe5@gmail.com,
	Paul Mackerras <paulus@samba.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH v2 00/12] powerpc: Cleanup use of 'struct ppc_inst'
Date: Tue, 8 Jun 2021 14:46:22 +0200	[thread overview]
Message-ID: <e28c4639-00b3-6bf9-6c5e-72e251372cb4@csgroup.eu> (raw)
In-Reply-To: <cover.1621516826.git.christophe.leroy@csgroup.eu>

Hi Michael,

Le 20/05/2021 à 15:50, Christophe Leroy a écrit :
> This series is a cleanup of the use of 'struct ppc_inst'.
> 
> A confusion is made between internal representation of powerpc
> instructions with 'struct ppc_inst' and in-memory code which is
> and will always be an array of 'unsigned int'.
> 
> This series cleans it up.
> 
> First patch is fixing detection of missing '__user' flag by sparse
> when using get_user_instr().
> 
> Last part of the series does some source code cleanup in
> optprobes, it is put at the ends of this series because of
> clashes with the 'struct ppc_inst' cleanups.

What are your plans about this series ? I fear that the more we wait the more we get additional bad 
uses of 'struct ppc_inst'.
There are several people working around places that play with instructions, so I think the sooner it 
gets cleaned the better it is. Do you agree ?

Thanks
Christophe

  parent reply	other threads:[~2021-06-08 12:46 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20 13:50 Christophe Leroy
2021-05-20 13:50 ` [PATCH v2 01/12] powerpc/inst: Fix sparse detection on get_user_instr() Christophe Leroy
2021-05-20 13:50 ` [PATCH v2 02/12] powerpc/inst: Reduce casts in get_user_instr() Christophe Leroy
2021-05-20 13:50 ` [PATCH v2 03/12] powerpc/inst: Improve readability of get_user_instr() and friends Christophe Leroy
2021-05-20 13:50 ` [PATCH v2 04/12] powerpc/inst: Avoid pointer dereferencing in ppc_inst_equal() Christophe Leroy
2021-06-15  3:38   ` Jordan Niethe
2021-05-20 13:50 ` [PATCH v2 05/12] powerpc: Do not dereference code as 'struct ppc_inst' (uprobe, code-patching, feature-fixups) Christophe Leroy
2021-06-15  3:41   ` Jordan Niethe
2021-05-20 13:50 ` [PATCH v2 06/12] powerpc/lib/code-patching: Make instr_is_branch_to_addr() static Christophe Leroy
2021-06-15  3:42   ` Jordan Niethe
2021-05-20 13:50 ` [PATCH v2 07/12] powerpc/lib/code-patching: Don't use struct 'ppc_inst' for runnable code in tests Christophe Leroy
2021-06-15  3:42   ` Jordan Niethe
2021-05-20 13:50 ` [PATCH v2 08/12] powerpc: Don't use 'struct ppc_inst' to reference instruction location Christophe Leroy
2021-06-15  2:01   ` Michael Ellerman
2021-06-15  3:47     ` Jordan Niethe
2021-05-20 13:50 ` [PATCH v2 09/12] powerpc/inst: Refactor PPC32 and PPC64 versions Christophe Leroy
2021-06-15  3:48   ` Jordan Niethe
2021-05-20 13:50 ` [PATCH v2 10/12] powerpc/optprobes: Minimise casts Christophe Leroy
2021-05-20 13:50 ` [PATCH v2 11/12] powerpc/optprobes: Compact code source a bit Christophe Leroy
2021-05-20 13:50 ` [PATCH v2 12/12] powerpc/optprobes: use PPC_RAW_ macros Christophe Leroy
2021-06-08 12:46 ` Christophe Leroy [this message]
2021-06-15  7:18 ` [PATCH v2 00/12] powerpc: Cleanup use of 'struct ppc_inst' Michael Ellerman
2021-06-15  7:24   ` Christophe Leroy
2021-06-16 13:05     ` Michael Ellerman
2021-06-18  3:51 ` Michael Ellerman

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