From: Peter Zijlstra <peterz@infradead.org>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Paul Mackerras <paulus@samba.org>, Zong Li <zong.li@sifive.com>,
Andi Kleen <ak@linux.intel.com>,
Paul Burton <paulburton@kernel.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Vincent Whitchurch <vincent.whitchurch@axis.com>,
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Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
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Masami Hiramatsu <mhiramat@kernel.org>,
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<linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH v2 1/3] module: Rename module_alloc() to text_alloc() and move to kernel proper
Date: Tue, 14 Jul 2020 18:46:11 +0200 [thread overview]
Message-ID: <20200714164611.GA10769@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200714163103.GA1472166@linux.intel.com>
On Tue, Jul 14, 2020 at 07:31:03PM +0300, Jarkko Sakkinen wrote:
> On Tue, Jul 14, 2020 at 03:01:09PM +0200, Peter Zijlstra wrote:
> > to help with text_alloc() usage in generic code, but I think
> > fundamentally, there's only these two options.
>
> There is one arch (nios2), which uses a regular kzalloc(). This means
> that both text_alloc() and text_memfree() need to be weaks symbols and
> nios2 needs to have overriding text.c to do its thing.
IMO nios2 is just broken.
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
Paul Mackerras <paulus@samba.org>, Zong Li <zong.li@sifive.com>,
Andi Kleen <ak@linux.intel.com>,
Paul Burton <paulburton@kernel.org>,
Vincent Whitchurch <vincent.whitchurch@axis.com>,
Petr Mladek <pmladek@suse.com>, Brian Gerst <brgerst@gmail.com>,
Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Jiri Kosina <jkosina@suse.cz>, Anup Patel <anup.patel@wdc.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Philipp Rudo <prudo@linux.ibm.com>, Torsten Duwe <duwe@lst.de>,
Masami Hiramatsu <mhiramat@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Mark Rutland <mark.rutland@arm.com>,
"James E.J. Bottomley" <James.Bottomley@hansenpartnership.com>,
Vincent Chen <deanbo422@gmail.com>,
Omar Sandoval <osandov@fb.com>,
"open list:S390" <linux-s390@vger.kernel.org>,
Joe Lawrence <joe.lawrence@redhat.com>,
Helge Deller <deller@gmx.de>,
John Fastabend <john.fastabend@gmail.com>,
Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>,
Yonghong Song <yhs@fb.com>, Iurii Zaikin <yzaikin@google.com>,
Andrii Nakryiko <andriin@fb.com>, Thomas Huth <thuth@redhat.com>,
Vasily Gorbik <gor@linux.ibm.com>,
"moderated list:ARM PORT" <linux-arm-kernel@lists.infradead.org>,
Daniel Axtens <dja@axtens.net>,
Damien Le Moal <damien.lemoal@wdc.com>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Alexei Starovoitov <ast@kernel.org>,
Atish Patra <atish.patra@wdc.com>, Will Deacon <will@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Masahiro Yamada <masahiroy@kernel.org>,
Nayna Jain <nayna@linux.ibm.com>,
Ley Foon Tan <ley.foon.tan@intel.com>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Sami Tolvanen <samitolvanen@google.com>,
"Naveen N. Rao" <naveen.n.rao@linux.ibm.com>,
Mao Han <han_mao@c-sky.com>, Marco Elver <elver@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Babu Moger <Babu.Moger@amd.com>, Borislav Petkov <bp@alien8.de>,
Greentime Hu <green.hu@gmail.com>,
Ben Dooks <ben-linux@fluff.org>, Guan Xuetao <gxt@pku.edu.cn>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
"open list:PARISC ARCHITECTURE" <linux-parisc@vger.kernel.org>,
Jessica Yu <jeyu@kernel.org>,
"open list:BPF JIT for MIPS \(32-BIT AND 64-BIT\)"
<bpf@vger.kernel.org>, "David S. Miller" <davem@davemloft.net>,
Thiago Jung Bauermann <bauerman@linux.ibm.com>,
David Howells <dhowells@redhat.com>,
"open list:SPARC + UltraSPARC \(sparc/sparc64\)"
<sparclinux@vger.kernel.org>,
Sandipan Das <sandipan@linux.ibm.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Amit Daniel Kachhap <amit.kachhap@arm.com>,
Tiezhu Yang <yangtiezhu@loongson.cn>,
Miroslav Benes <mbenes@suse.cz>, Jiri Olsa <jolsa@redhat.com>,
Ard Biesheuvel <ardb@kernel.org>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Anders Roxell <anders.roxell@linaro.org>,
Sven Schnelle <svens@stackframe.org>,
"maintainer:X86 ARCHITECTURE \(32-BIT AND 64-BIT\)"
<x86@kernel.org>, Russell King <linux@armlinux.org.uk>,
"open list:RISC-V ARCHITECTURE" <linux-riscv@lists.infradead.org>,
Mike Rapoport <rppt@linux.ibm.com>,
Ingo Molnar <mingo@redhat.com>, Albert Ou <aou@eecs.berkeley.edu>,
"Paul E. McKenney" <paulmck@kernel.org>,
Josh Poimboeuf <jpoimboe@redhat.com>,
KP Singh <kpsingh@chromium.org>,
Dmitry Vyukov <dvyukov@google.com>,
Nick Hu <nickhu@andestech.com>,
"open list:BPF JIT for MIPS \(32-BIT AND 64-BIT\)"
<netdev@vger.kernel.org>,
"open list:MIPS" <linux-mips@vger.kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
"open list:LINUX FOR POWERPC \(32-BIT AND 64-BIT\)"
<linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH v2 1/3] module: Rename module_alloc() to text_alloc() and move to kernel proper
Date: Tue, 14 Jul 2020 18:46:11 +0200 [thread overview]
Message-ID: <20200714164611.GA10769@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20200714163103.GA1472166@linux.intel.com>
On Tue, Jul 14, 2020 at 07:31:03PM +0300, Jarkko Sakkinen wrote:
> On Tue, Jul 14, 2020 at 03:01:09PM +0200, Peter Zijlstra wrote:
> > to help with text_alloc() usage in generic code, but I think
> > fundamentally, there's only these two options.
>
> There is one arch (nios2), which uses a regular kzalloc(). This means
> that both text_alloc() and text_memfree() need to be weaks symbols and
> nios2 needs to have overriding text.c to do its thing.
IMO nios2 is just broken.
next prev parent reply other threads:[~2020-07-14 16:46 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-14 9:45 [PATCH v2 0/3] kprobes: Remove MODULE dependency Jarkko Sakkinen
2020-07-14 9:45 ` Jarkko Sakkinen
2020-07-14 9:45 ` [PATCH v2 1/3] module: Rename module_alloc() to text_alloc() and move to kernel proper Jarkko Sakkinen
2020-07-14 9:45 ` Jarkko Sakkinen
2020-07-14 9:50 ` Russell King - ARM Linux admin
2020-07-14 9:50 ` Russell King - ARM Linux admin
2020-07-14 10:28 ` Will Deacon
2020-07-14 10:28 ` Will Deacon
2020-07-14 11:29 ` Peter Zijlstra
2020-07-14 11:29 ` Peter Zijlstra
2020-07-14 12:19 ` Ard Biesheuvel
2020-07-14 12:19 ` Ard Biesheuvel
2020-07-14 13:01 ` Peter Zijlstra
2020-07-14 13:01 ` Peter Zijlstra
2020-07-14 13:33 ` Mark Rutland
2020-07-14 13:33 ` Mark Rutland
2020-07-14 13:47 ` Ard Biesheuvel
2020-07-14 13:47 ` Ard Biesheuvel
2020-07-14 14:03 ` Steven Rostedt
2020-07-14 14:03 ` Steven Rostedt
2020-07-15 5:03 ` Masami Hiramatsu
2020-07-15 5:03 ` Masami Hiramatsu
2020-07-14 16:31 ` Jarkko Sakkinen
2020-07-14 16:31 ` Jarkko Sakkinen
2020-07-14 16:46 ` Peter Zijlstra [this message]
2020-07-14 16:46 ` Peter Zijlstra
2020-07-15 8:15 ` David Laight
2020-07-15 8:15 ` David Laight
2020-07-14 16:42 ` Russell King - ARM Linux admin
2020-07-14 16:42 ` Russell King - ARM Linux admin
2020-07-14 12:25 ` Jarkko Sakkinen
2020-07-14 12:25 ` Jarkko Sakkinen
2020-07-14 13:56 ` Jessica Yu
2020-07-14 13:56 ` Jessica Yu
2020-07-14 15:44 ` Steven Rostedt
2020-07-14 15:44 ` Steven Rostedt
2020-07-14 16:37 ` Jarkko Sakkinen
2020-07-14 16:37 ` Jarkko Sakkinen
2020-07-14 14:35 ` kernel test robot
2020-07-14 14:35 ` kernel test robot
2020-07-16 16:49 ` Christophe Leroy
2020-07-16 16:49 ` Christophe Leroy
2020-07-23 1:51 ` Jarkko Sakkinen
2020-07-23 1:51 ` Jarkko Sakkinen
2020-07-23 12:42 ` Ard Biesheuvel
2020-07-23 12:42 ` Ard Biesheuvel
2020-07-24 7:36 ` Jarkko Sakkinen
2020-07-24 7:36 ` Jarkko Sakkinen
2020-07-24 8:05 ` Jessica Yu
2020-07-24 8:05 ` Jessica Yu
2020-07-24 15:46 ` Jarkko Sakkinen
2020-07-24 15:46 ` Jarkko Sakkinen
2020-07-14 9:45 ` [PATCH v2 2/3] module: Add lock_modules() and unlock_modules() Jarkko Sakkinen
2020-07-14 9:45 ` [PATCH v2 3/3] kprobes: Flag out CONFIG_MODULES dependent code Jarkko Sakkinen
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