From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Trofimovich Date: Sat, 04 Aug 2018 21:33:36 +0000 Subject: Re: [PATCH v2, simpler] ia64: fix ptrace(PTRACE_GETREGS) (unbreaks strace, gdb) Message-Id: <20180804223336.5f29778e@sf> List-Id: References: <20180211185134.76ccfd45@sf> <20180309231555.16925-1-slyfox@gentoo.org> In-Reply-To: <20180309231555.16925-1-slyfox@gentoo.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Tony Luck Cc: Fenghua Yu , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org On Fri, 9 Mar 2018 23:15:55 +0000 Sergei Trofimovich 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