From: "Woodhouse, David" <dwmw@amazon.co.uk>
To: "mingo@kernel.org" <mingo@kernel.org>,
"mhiramat@kernel.org" <mhiramat@kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"arjan@linux.intel.com" <arjan@linux.intel.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"ak@linux.intel.com" <ak@linux.intel.com>,
"hpa@zytor.com" <hpa@zytor.com>,
"ananth@linux.vnet.ibm.com" <ananth@linux.vnet.ibm.com>,
"gregkh@linux-foundation.org" <gregkh@linux-foundation.org>
Subject: Re: [PATCH v1 tip/master 1/3] retpoline: Introduce start/end markers of indirect thunk
Date: Thu, 18 Jan 2018 12:06:10 +0000 [thread overview]
Message-ID: <1516277170.4937.121.camel@amazon.co.uk> (raw)
In-Reply-To: <151627687913.24682.16564356005083781238.stgit@devbox>
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On Thu, 2018-01-18 at 21:01 +0900, Masami Hiramatsu wrote:
>
> +#define X86_INDIRECT_THUNK(reg) \
> + *(.text.__x86.indirect_thunk.##reg)
Note that we don't actually care about those being in their own
section, named after the register. That was just a hangover from the
initial GCC COMDAT implementation.
If it makes your life easier just to put them all in a single section,
go ahead.
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next prev parent reply other threads:[~2018-01-18 12:06 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-18 12:00 [PATCH v1 tip/master 0/3] kprobes/x86: retpoline: Fix kprobes for retpoline Masami Hiramatsu
2018-01-18 12:01 ` [PATCH v1 tip/master 1/3] retpoline: Introduce start/end markers of indirect thunk Masami Hiramatsu
2018-01-18 12:06 ` Woodhouse, David [this message]
2018-01-18 15:34 ` Masami Hiramatsu
2018-01-18 12:01 ` [PATCH v1 tip/master 2/3] kprobes/x86: Blacklist indirect thunk functions for kprobes Masami Hiramatsu
2018-01-18 12:02 ` [PATCH v1 tip/master 3/3] kprobes/x86: Disable optimizing on the function jumps to indirect thunk Masami Hiramatsu
2018-01-18 13:01 ` [PATCH v1 tip/master 0/3] kprobes/x86: retpoline: Fix kprobes for retpoline Andi Kleen
2018-01-18 13:03 ` David Woodhouse
2018-01-18 18:50 ` Andi Kleen
2018-01-18 15:36 ` Masami Hiramatsu
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