From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2 v2] perf tools: Enable bpf prologue for arm64
Date: Wed, 25 Jan 2017 13:32:01 +0000 [thread overview]
Message-ID: <20170125133201.GC27026@arm.com> (raw)
In-Reply-To: <20170125072311.22922-1-hekuang@huawei.com>
On Wed, Jan 25, 2017 at 07:23:11AM +0000, He Kuang wrote:
> Since HAVE_KPROBES can be enabled in arm64, this patch introduces
> regs_query_register_offset() to convert register name to offset for
> arm64, so the BPF prologue feature is ready to use.
>
> This patch also changes the 'dwarfnum' to 'offset' in register table,
> so the related functions are consistent with x86.
Wouldn't it be an awful lot simpler just to leave the code as-is, and
implement regs_query_register_offset in the same way that we implement
get_arch_regstr but return the dwarfnum?
I don't really see the point of all the refactoring.
Will
next prev parent reply other threads:[~2017-01-25 13:32 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20170124190908.GG10340@kernel.org>
2017-01-25 7:23 ` [PATCH 2/2 v2] perf tools: Enable bpf prologue for arm64 He Kuang
2017-01-25 13:32 ` Will Deacon [this message]
2017-01-26 1:49 ` Masami Hiramatsu
2017-01-26 16:52 ` Will Deacon
2017-01-26 19:31 ` Arnaldo Carvalho de Melo
2017-02-03 11:08 ` Hekuang
2017-01-26 1:51 ` Masami Hiramatsu
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