Re: [PATCH v2, simpler] ia64: fix ptrace(PTRACE_GETREGS) (unbreaks strace, gdb)
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- To: Tony Luck <tony.luck@xxxxxxxxx>
- Subject: Re: [PATCH v2, simpler] ia64: fix ptrace(PTRACE_GETREGS) (unbreaks strace, gdb)
- From: Sergei Trofimovich <slyfox@xxxxxxxxxx>
- Date: Sat, 4 Aug 2018 22:33:36 +0100
- Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- In-reply-to: <20180309231555.16925-1-slyfox@gentoo.org>
- References: <20180211185134.76ccfd45@sf> <20180309231555.16925-1-slyfox@gentoo.org>
On Fri, 9 Mar 2018 23:15:55 +0000
Sergei Trofimovich <slyfox@xxxxxxxxxx> wrote:
I tried to explain in more detail breakage mechanics
of unwinder and gcc code generation quirks at:
https://trofi.github.io/posts/210-ptrace-and-accidental-boot-fix-on-ia64.html
Hopefully it gives better intuition of code change
caused by both proposed patches.
I personally think v1 patch is slightly more robust.
--
Sergei
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