From: Josh Poimboeuf <jpoimboe@redhat.com>
To: Julien Thierry <jthierry@redhat.com>
Cc: Alexandre Chartre <alexandre.chartre@oracle.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
peterz@infradead.org, tglx@linutronix.de
Subject: Re: [PATCH 3/7] objtool: Add support for intra-function calls
Date: Thu, 2 Apr 2020 12:27:55 -0500 [thread overview]
Message-ID: <20200402172755.eejb5g7z5oadj5pj@treble> (raw)
In-Reply-To: <20200402154919.2c6shw4hfreagchg@treble>
On Thu, Apr 02, 2020 at 10:49:19AM -0500, Josh Poimboeuf wrote:
> On Thu, Apr 02, 2020 at 01:53:49PM +0100, Julien Thierry wrote:
> > Hi Alexandre,
> >
> > I ran into the limitation of intra-function call for the arm64 support but
> > didn't take the time to make a clean patch to support them properly.
>
> Can you give an example of where arm64 uses intra-function calls? It
> sounds sketchy to me :-) Is it really needed/useful?
BTW, I have a vague memory of discussing this before, so I apologize if
I'm repeating myself ;-)
--
Josh
next prev parent reply other threads:[~2020-04-02 17:28 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-02 8:22 [PATCH 0/7] objtool changes to remove most ANNOTATE_NOSPEC_ALTERNATIVE Alexandre Chartre
2020-04-02 8:22 ` [PATCH 1/7] objtool: is_fentry_call() crashes if call has no destination Alexandre Chartre
2020-04-02 8:22 ` [PATCH 2/7] objtool: Allow branches within the same alternative Alexandre Chartre
2020-04-02 12:03 ` Julien Thierry
2020-04-02 12:38 ` Alexandre Chartre
2020-04-02 8:22 ` [PATCH 3/7] objtool: Add support for intra-function calls Alexandre Chartre
2020-04-02 12:53 ` Julien Thierry
2020-04-02 13:24 ` Alexandre Chartre
2020-04-02 13:38 ` Julien Thierry
2020-04-02 14:56 ` Alexandre Chartre
2020-04-02 15:04 ` Peter Zijlstra
2020-04-02 15:54 ` Josh Poimboeuf
2020-04-03 7:06 ` Alexandre Chartre
2020-04-02 15:49 ` Josh Poimboeuf
2020-04-02 17:27 ` Josh Poimboeuf [this message]
2020-04-03 8:01 ` Julien Thierry
2020-04-03 12:41 ` Peter Zijlstra
2020-04-03 12:49 ` Julien Thierry
2020-04-03 14:37 ` Peter Zijlstra
2020-04-03 14:44 ` Josh Poimboeuf
2020-04-02 8:22 ` [PATCH 4/7] objtool: Add support for return trampoline call Alexandre Chartre
2020-04-02 13:26 ` Julien Thierry
2020-04-02 14:46 ` Alexandre Chartre
2020-04-02 15:31 ` Julien Thierry
2020-04-02 15:40 ` Peter Zijlstra
2020-04-03 8:11 ` Julien Thierry
2020-04-03 15:17 ` Josh Poimboeuf
2020-04-03 15:22 ` Josh Poimboeuf
2020-04-03 15:32 ` Josh Poimboeuf
2020-04-03 15:46 ` Peter Zijlstra
2020-04-03 15:55 ` Josh Poimboeuf
2020-04-04 13:32 ` Peter Zijlstra
2020-04-04 14:22 ` Josh Poimboeuf
2020-04-04 15:51 ` Peter Zijlstra
2020-04-06 8:19 ` Alexandre Chartre
2020-04-06 9:31 ` Peter Zijlstra
2020-04-06 11:03 ` Alexandre Chartre
2020-04-06 14:16 ` Josh Poimboeuf
2020-04-02 15:27 ` Peter Zijlstra
2020-04-03 7:19 ` Alexandre Chartre
2020-04-06 14:34 ` Alexandre Chartre
2020-04-06 14:55 ` Alexandre Chartre
2020-04-02 8:22 ` [PATCH 5/7] x86/speculation: Annotate intra-function calls Alexandre Chartre
2020-04-03 16:05 ` Josh Poimboeuf
2020-04-03 16:16 ` Josh Poimboeuf
2020-04-03 17:14 ` Alexandre Chartre
2020-04-03 17:18 ` Peter Zijlstra
2020-04-03 17:24 ` Josh Poimboeuf
2020-04-03 18:20 ` Peter Zijlstra
2020-04-02 8:22 ` [PATCH 6/7] x86/speculation: Annotate retpoline return instructions Alexandre Chartre
2020-04-02 8:22 ` [PATCH 7/7] x86/speculation: Remove most ANNOTATE_NOSPEC_ALTERNATIVE Alexandre Chartre
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