linux-kernel - Re: [PATCH v6 08/16] mm/execmem, arch: convert remaining overrides of module

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Message-ID: <CAPhsuW52MYy4Md5O=7XVGvkw395-LB+BiSadxoDdw8CrLw5t7A@mail.gmail.com>
Date: Fri, 26 Apr 2024 12:01:34 -0700
From: Song Liu <song@...nel.org>
To: Mike Rapoport <rppt@...nel.org>
Cc: linux-kernel@...r.kernel.org, Alexandre Ghiti <alexghiti@...osinc.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, Björn Töpel <bjorn@...nel.org>, 
	Catalin Marinas <catalin.marinas@....com>, Christophe Leroy <christophe.leroy@...roup.eu>, 
	"David S. Miller" <davem@...emloft.net>, Dinh Nguyen <dinguyen@...nel.org>, 
	Donald Dutile <ddutile@...hat.com>, Eric Chanudet <echanude@...hat.com>, 
	Heiko Carstens <hca@...ux.ibm.com>, Helge Deller <deller@....de>, Huacai Chen <chenhuacai@...nel.org>, 
	Kent Overstreet <kent.overstreet@...ux.dev>, Luis Chamberlain <mcgrof@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, Masami Hiramatsu <mhiramat@...nel.org>, 
	Michael Ellerman <mpe@...erman.id.au>, Nadav Amit <nadav.amit@...il.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Peter Zijlstra <peterz@...radead.org>, 
	Rick Edgecombe <rick.p.edgecombe@...el.com>, Russell King <linux@...linux.org.uk>, 
	Sam Ravnborg <sam@...nborg.org>, Steven Rostedt <rostedt@...dmis.org>, 
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Thomas Gleixner <tglx@...utronix.de>, 
	Will Deacon <will@...nel.org>, bpf@...r.kernel.org, linux-arch@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org, 
	linux-mm@...ck.org, linux-modules@...r.kernel.org, 
	linux-parisc@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	linux-s390@...r.kernel.org, linux-trace-kernel@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, loongarch@...ts.linux.dev, 
	netdev@...r.kernel.org, sparclinux@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH v6 08/16] mm/execmem, arch: convert remaining overrides of
 module_alloc to execmem

On Fri, Apr 26, 2024 at 1:30 AM Mike Rapoport <rppt@...nel.org> wrote:
>
> From: "Mike Rapoport (IBM)" <rppt@...nel.org>
>
> Extend execmem parameters to accommodate more complex overrides of
> module_alloc() by architectures.
>
> This includes specification of a fallback range required by arm, arm64
> and powerpc, EXECMEM_MODULE_DATA type required by powerpc, support for
> allocation of KASAN shadow required by s390 and x86 and support for
> late initialization of execmem required by arm64.
>
> The core implementation of execmem_alloc() takes care of suppressing
> warnings when the initial allocation fails but there is a fallback range
> defined.
>
> Signed-off-by: Mike Rapoport (IBM) <rppt@...nel.org>
> Acked-by: Will Deacon <will@...nel.org>

nit: We should probably move the logic for ARCH_WANTS_EXECMEM_LATE
to a separate patch.

Otherwise,

Acked-by: Song Liu <song@...nel.org>