From: Oleg Nesterov <oleg@redhat.com>
To: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
Rusty Russell <rusty@rustcorp.com.au>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Namhyung Kim <namhyung.kim@lge.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
linux-kernel@vger.kernel.org
Subject: modules, add_kallsyms() && DEFINE_PER_CPU
Date: Tue, 26 Nov 2013 18:50:37 +0100 [thread overview]
Message-ID: <20131126175037.GE14028@redhat.com> (raw)
In-Reply-To: <20131126174446.GD14028@redhat.com>
On 11/26, Oleg Nesterov wrote:
>
> Note: this doesn't work for modules, but module's per-cpu data is
> not visible for kallsyms_lookup_name() anyway.
Rusty, I am just curious if it makes sense to change this or not...
But DEFINE_PER_CPU'ed symbols are ignored by add_kallsyms(). I guess
this is because is_core_symbol() requires "sh_flags & SHF_ALLOC".
And probably because of INIT_OFFSET_MASK.
Oleg.
next prev parent reply other threads:[~2013-11-26 17:49 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-23 20:15 [PATCH 0/1] tracing: Introduce "pseudo registers" for FETCH_MTD_reg Oleg Nesterov
2013-11-23 20:16 ` [PATCH 1/1] " Oleg Nesterov
2013-11-24 7:32 ` Masami Hiramatsu
2013-11-25 8:04 ` Namhyung Kim
2013-11-25 14:35 ` Oleg Nesterov
2013-11-25 17:21 ` [RFC PATCH 0/3] tracing: Teach FETCH_MTD_{symbol,deref} to handle per-cpu data Oleg Nesterov
2013-11-25 17:21 ` [RFC PATCH 1/3] tracing: Don't mangle sc->addr in update_symbol_cache() Oleg Nesterov
2013-11-25 17:21 ` [RFC PATCH 2/3] tracing: introduce {calc,parse}_probe_offset() for FETCH_MTD_{symbol,deref} Oleg Nesterov
2013-11-25 17:22 ` [RFC PATCH 3/3] tracing: Teach FETCH_MTD_{symbol,deref} to handle per-cpu data Oleg Nesterov
2013-11-26 9:34 ` Masami Hiramatsu
2013-11-26 17:43 ` [RFC PATCH 0/2] tracing: Teach FETCH_MTD_symbol " Oleg Nesterov
2013-11-26 17:44 ` [RFC PATCH 1/2] tracing: Don't update sc->addr in update_symbol_cache() Oleg Nesterov
2013-11-26 17:44 ` [RFC PATCH 2/2] tracing: Teach FETCH_MTD_symbol to handle per-cpu data Oleg Nesterov
2013-11-26 17:50 ` Oleg Nesterov [this message]
2013-11-27 2:23 ` modules, add_kallsyms() && DEFINE_PER_CPU Masami Hiramatsu
2013-11-27 8:20 ` Namhyung Kim
2013-11-27 11:22 ` Masami Hiramatsu
2013-11-27 13:35 ` Oleg Nesterov
2013-11-28 2:02 ` Masami Hiramatsu
2013-11-27 11:30 ` [RFC PATCH 2/2] tracing: Teach FETCH_MTD_symbol to handle per-cpu data Masami Hiramatsu
2013-11-27 0:37 ` [RFC PATCH 0/2] " Namhyung Kim
2013-11-27 10:01 ` Masami Hiramatsu
2013-11-27 17:41 ` Oleg Nesterov
2013-11-28 2:55 ` Masami Hiramatsu
2013-11-25 19:29 ` [PATCH 0/2] tracing: Add $cpu and $current probe-vars Oleg Nesterov
2013-11-25 19:29 ` [PATCH 1/2] " Oleg Nesterov
2013-11-26 2:21 ` Masami Hiramatsu
2013-11-26 17:23 ` Oleg Nesterov
2013-11-27 8:22 ` Masami Hiramatsu
2013-11-27 17:05 ` Oleg Nesterov
2013-11-28 2:51 ` Masami Hiramatsu
2013-11-25 19:30 ` [PATCH 2/2] tracing: Kill FETCH_MTD_retval, reimplement $retval via pseudo_reg_retval() Oleg Nesterov
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