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From: Kees Cook <keescook@chromium.org>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Andrew Morton <akpm@linux-foundation.org>,
	"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
	Helge Deller <deller@gmx.de>, Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org,
	linux-arch@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v1 05/10] asm-generic: Define 'funct_descr_t' to commonly describe function descriptors
Date: Wed, 13 Oct 2021 00:27:19 -0700	[thread overview]
Message-ID: <202110130026.0AB963F82@keescook> (raw)
In-Reply-To: <cf0e465e-e678-692c-3ca5-fde70ba4fc97@csgroup.eu>

On Wed, Oct 13, 2021 at 09:23:56AM +0200, Christophe Leroy wrote:
> 
> 
> Le 13/10/2021 à 09:01, Kees Cook a écrit :
> > On Mon, Oct 11, 2021 at 05:25:32PM +0200, Christophe Leroy wrote:
> > > We have three architectures using function descriptors, each with its
> > > own name.
> > > 
> > > Add a common typedef that can be used in generic code.
> > > 
> > > Also add a stub typedef for architecture without function descriptors,
> > 
> > nit: funct_descr_t reads weird to me. why not func_desc_t ? Either way:
> 
> func_desc_t already exists in powerpc. I have a patch to remove it as it is
> redundant with struct ppc64_opd_entry, but I didnt' want to include it in
> this series.
> 
> But after all I can add it in this series, I'll add it in v2.

Ah-ha! That works for me. :) Thanks!

-Kees

-- 
Kees Cook

  reply	other threads:[~2021-10-13  7:27 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-11 15:25 [PATCH v1 00/10] Fix LKDTM for PPC64/IA64/PARISC Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 01/10] powerpc: Move 'struct ppc64_opd_entry' back into asm/elf.h Christophe Leroy
2021-10-12  7:10   ` Michael Ellerman
2021-10-12  8:02     ` Arnd Bergmann
2021-10-13  6:59   ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 02/10] powerpc: Rename 'funcaddr' to 'addr' in 'struct ppc64_opd_entry' Christophe Leroy
2021-10-13  6:59   ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 03/10] ia64: Rename 'ip' to 'addr' in 'struct fdesc' Christophe Leroy
2021-10-13  6:59   ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 04/10] asm-generic: Use HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR to define associated stubs Christophe Leroy
2021-10-12  6:02   ` Helge Deller
2021-10-12  6:11     ` Christophe Leroy
2021-10-12  6:48       ` Helge Deller
2021-10-13  7:00   ` Kees Cook
2021-10-14  7:20     ` Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 05/10] asm-generic: Define 'funct_descr_t' to commonly describe function descriptors Christophe Leroy
2021-10-13  7:01   ` Kees Cook
2021-10-13  7:23     ` Christophe Leroy
2021-10-13  7:27       ` Kees Cook [this message]
2021-10-11 15:25 ` [PATCH v1 06/10] asm-generic: Refactor dereference_[kernel]_function_descriptor() Christophe Leroy
2021-10-13  7:02   ` Kees Cook
2021-10-13 11:20     ` Christophe Leroy
2021-10-13 11:34       ` Arnd Bergmann
2021-10-11 15:25 ` [PATCH v1 07/10] lkdtm: Force do_nothing() out of line Christophe Leroy
2021-10-13  7:02   ` Kees Cook
2021-10-11 15:25 ` [PATCH v1 08/10] lkdtm: Really write into kernel text in WRITE_KERN Christophe Leroy
2021-10-13  7:05   ` Kees Cook
2021-10-13  7:29     ` Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 09/10] lkdtm: Fix lkdtm_EXEC_RODATA() Christophe Leroy
2021-10-13  7:09   ` Kees Cook
2021-10-13  7:35     ` Christophe Leroy
2021-10-13  7:23   ` Kees Cook
2021-10-13  7:39     ` Christophe Leroy
2021-10-13  7:48       ` Christophe Leroy
2021-10-13 12:45         ` Christophe Leroy
2021-10-11 15:25 ` [PATCH v1 10/10] lkdtm: Fix execute_[user]_location() Christophe Leroy
2021-10-13  7:16   ` Kees Cook
2021-10-13 12:00     ` Christophe Leroy

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