From: Rusty Russell <rusty@rustcorp.com.au>
To: Jan Kiszka <jan.kiszka@siemens.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jason Wessel <jason.wessel@windriver.com>,
kgdb-bugreport@lists.sourceforge.net,
Andi Kleen <andi@firstfloor.org>, Ben Widawsky <ben@bwidawsk.net>,
Borislav Petkov <bp@suse.de>
Subject: Re: [PATCH v12 06/28] module: Do not inline do_init_module
Date: Wed, 11 Feb 2015 10:29:48 +1030 [thread overview]
Message-ID: <87wq3pb9mz.fsf@rustcorp.com.au> (raw)
In-Reply-To: <cbb29c800c450403304f5e5eb4b7d78baf9c22d6.1422602696.git.jan.kiszka@siemens.com>
Jan Kiszka <jan.kiszka@siemens.com> writes:
> This provides a reliable breakpoint target, required for automatic
> symbol loading via the gdb helper command 'lx-symbols'.
>
> CC: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Thanks,
Rusty.
> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> ---
> kernel/module.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/kernel/module.c b/kernel/module.c
> index d856e96..2df6cec 100644
> --- a/kernel/module.c
> +++ b/kernel/module.c
> @@ -3011,8 +3011,13 @@ static void do_free_init(struct rcu_head *head)
> kfree(m);
> }
>
> -/* This is where the real work happens */
> -static int do_init_module(struct module *mod)
> +/*
> + * This is where the real work happens.
> + *
> + * Keep it uninlined to provide a reliable breakpoint target, e.g. for the gdb
> + * helper command 'lx-symbols'.
> + */
> +static noinline int do_init_module(struct module *mod)
> {
> int ret = 0;
> struct mod_initfree *freeinit;
> --
> 2.1.4
next prev parent reply other threads:[~2015-02-11 6:36 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-30 7:24 [PATCH v12 00/28] Add gdb python scripts as kernel debugging helpers Jan Kiszka
2015-01-30 7:24 ` Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 01/28] scripts/gdb: Add infrastructure Jan Kiszka
2015-01-30 10:59 ` Michal Marek
2015-02-04 6:49 ` [PATCH v13 " Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 02/28] scripts/gdb: Add cache for type objects Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 03/28] scripts/gdb: Add container_of helper and convenience function Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 04/28] scripts/gdb: Add module iteration class Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 05/28] scripts/gdb: Add lx-symbols command Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 06/28] module: Do not inline do_init_module Jan Kiszka
2015-02-10 23:59 ` Rusty Russell [this message]
2015-01-30 7:24 ` [PATCH v12 07/28] scripts/gdb: Add automatic symbol reloading on module insertion Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 08/28] scripts/gdb: Add internal helper and convenience function to look up a module Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 09/28] scripts/gdb: Add get_target_endianness helper Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 10/28] scripts/gdb: Add read_u16/32/64 helpers Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 11/28] scripts/gdb: Add lx-dmesg command Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 12/28] scripts/gdb: Add task iteration class Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 13/28] scripts/gdb: Add helper and convenience function to look up tasks Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 14/28] scripts/gdb: Add is_target_arch helper Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 15/28] scripts/gdb: Add internal helper and convenience function to retrieve thread_info Jan Kiszka
2015-01-30 7:24 ` Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 16/28] scripts/gdb: Add get_gdbserver_type helper Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 17/28] scripts/gdb: Add internal helper and convenience function for per-cpu lookup Jan Kiszka
2015-01-30 7:24 ` Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 18/28] scripts/gdb: Add lx_current convenience function Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 19/28] scripts/gdb: Add class to iterate over CPU masks Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 20/28] scripts/gdb: Add lx-lsmod command Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 21/28] scripts/gdb: Add basic documentation Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 22/28] scripts/gdb: Port to python3 / gdb7.7 Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 23/28] scripts/gdb: Ignore byte-compiled python files Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 24/28] scripts/gdb: Use a generator instead of iterator for task list Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 25/28] scripts/gdb: Convert ModuleList to generator function Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 26/28] scripts/gdb: Convert CpuList " Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 27/28] scripts/gdb: Define maintainer Jan Kiszka
2015-01-30 7:24 ` [PATCH v12 28/28] scripts/gdb: Disable pagination while printing from breakpoint handler Jan Kiszka
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