From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Masami Hiramatsu <mhiramat@kernel.org>
Cc: linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
"open list:MEMORY MANAGEMENT" <linux-mm@kvack.org>
Subject: Re: [PATCH v4 3/7] vmalloc: Add text_alloc() and text_free()
Date: Fri, 24 Jul 2020 01:24:55 +0300 [thread overview]
Message-ID: <20200723222455.GB12405@linux.intel.com> (raw)
In-Reply-To: <20200717175245.54758e3954abd1bcccfe5500@kernel.org>
On Fri, Jul 17, 2020 at 05:52:45PM +0900, Masami Hiramatsu wrote:
> On Fri, 17 Jul 2020 06:04:17 +0300
> Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> wrote:
>
> > Introduce functions for allocating memory for dynamic trampolines, such
> > as kprobes. An arch can promote the availability of these functions with
> > CONFIG_ARCH_HAS_TEXT_ALLOC. Provide default/fallback implementation
> > wrapping module_alloc() and module_memfree().
>
> Doesn't it depend on CONFIG_MODULE?
The idea would be that arch specifically promotes that it has text
allocator that is not dependent on module subsystem.
E.g. like the patch set does for x86.
/Jarkko
next prev parent reply other threads:[~2020-07-23 22:25 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-17 3:04 [PATCH v4 0/7] arch/x86: kprobes: Remove MODULES dependency Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 1/7] module: Add lock_modules() and unlock_modules() Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 2/7] kprobes: Use " Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 3/7] vmalloc: Add text_alloc() and text_free() Jarkko Sakkinen
2020-07-17 5:33 ` kernel test robot
2020-07-17 5:33 ` kernel test robot
2020-07-17 5:33 ` kernel test robot
2020-07-17 5:33 ` kernel test robot
2020-07-17 8:52 ` Masami Hiramatsu
2020-07-23 22:24 ` Jarkko Sakkinen [this message]
2020-07-18 16:23 ` Mike Rapoport
2020-07-20 12:01 ` Masami Hiramatsu
2020-07-23 22:28 ` Jarkko Sakkinen
2020-07-24 10:13 ` Mike Rapoport
2020-07-24 23:31 ` Jarkko Sakkinen
2020-07-24 23:40 ` Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 4/7] arch/x86: Implement " Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 5/7] arch/x86: kprobes: Use text_alloc() in alloc_insn_page() Jarkko Sakkinen
2020-07-23 22:16 ` Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 6/7] kprobes: Use text_alloc() and text_free() Jarkko Sakkinen
2020-07-17 3:04 ` [PATCH v4 7/7] kprobes: Flag out CONFIG_MODULES dependent code Jarkko Sakkinen
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