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From: Rusty Russell <rusty@rustcorp.com.au>
To: Anton Blanchard <anton@samba.org>,
	benh@kernel.crashing.org, paulus@samba.org,
	ulrich.weigand@de.ibm.com, amodra@gmail.com, mikey@neuling.org,
	mjw@linux.vnet.ibm.com, rostedt@goodmis.org,
	philippe.bergheaud@fr.ibm.com
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 6/7] powerpc/ftrace: Use module loader helpers to parse trampolines
Date: Tue, 22 Apr 2014 16:28:14 +0930	[thread overview]
Message-ID: <87y4yxhmux.fsf@rustcorp.com.au> (raw)
In-Reply-To: <1396591750-8203-7-git-send-email-anton@samba.org>

Anton Blanchard <anton@samba.org> writes:
> Now we have is_module_trampoline() and module_trampoline_target()
> we can remove a bunch of intimate kernel module trampoline
> knowledge from ftrace.
>
> Signed-off-by: Anton Blanchard <anton@samba.org>

Oh god, I had no idea this code existed.

I really wanted to implement the R_PPC64_TOCSAVE optimization, and I was
thinking of frobbing the stub code.  At least now it's all in one place,
because I would have completely missed this.

Thanks,
Rusty.

  reply	other threads:[~2014-04-22  6:58 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-04  6:09 [PATCH 0/7] Build ppc64le kernel using ABIv2, supplemental patches Anton Blanchard
2014-04-04  6:09 ` [PATCH 1/7] powerpc: Add _GLOBAL_TOC for ABIv2 assembly functions exported to modules Anton Blanchard
2014-04-04  6:09 ` [PATCH 2/7] powerpc: ftrace_caller, _mcount is exported to modules so needs _GLOBAL_TOC() Anton Blanchard
2014-04-04  6:09 ` [PATCH 3/7] powerpc/kprobes: Fix ABIv2 issues with kprobe_lookup_name Anton Blanchard
2014-04-04  6:09 ` [PATCH 4/7] powerpc/modules: Create is_module_trampoline() Anton Blanchard
2014-04-04  6:09 ` [PATCH 5/7] powerpc/modules: Create module_trampoline_target() Anton Blanchard
2014-04-04  6:09 ` [PATCH 6/7] powerpc/ftrace: Use module loader helpers to parse trampolines Anton Blanchard
2014-04-22  6:58   ` Rusty Russell [this message]
2014-04-04  6:09 ` [PATCH 7/7] powerpc/ftrace: Fix ABIv2 issues with __ftrace_make_call Anton Blanchard
2014-04-04  6:19 ` [PATCH 0/7] Build ppc64le kernel using ABIv2, supplemental patches Michael Neuling

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