diff for duplicates of <20190507174400.377280827@goodmis.org> diff --git a/a/1.txt b/N1/1.txt index d26e35e..6abf6ac 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,4 +1,4 @@ -From: Peter Zijlstra <peterz at infradead.org> +From: Peter Zijlstra <peterz@infradead.org> Nicolai Stange discovered[1] that if live kernel patching is enabled, and the function tracer started tracing the same function that was patched, the diff --git a/a/content_digest b/N1/content_digest index 36b6afe..9aa04d3 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,10 +1,10 @@ "ref\020190507174227.673261270@goodmis.org\0" - "From\0rostedt at goodmis.org (Steven Rostedt)\0" + "From\0rostedt@goodmis.org (Steven Rostedt)\0" "Subject\0[RFC][PATCH 3/3] ftrace/x86_64: Emulate call function while updating in breakpoint handler\0" "Date\0Tue, 07 May 2019 13:42:30 -0400\0" "\00:1\0" "b\0" - "From: Peter Zijlstra <peterz at infradead.org>\n" + "From: Peter Zijlstra <peterz@infradead.org>\n" "\n" "Nicolai Stange discovered[1] that if live kernel patching is enabled, and the\n" "function tracer started tracing the same function that was patched, the\n" @@ -149,4 +149,4 @@ "-- \n" 2.20.1 -dca5d4b3f71f7e784628bbe01300e37c15c10e16329029ced5a99fc1e3bcf458 +c1cb5a459e1b905b3885db18a4d9e89d212993d04f586f44a699a14b5237735f
diff --git a/a/1.txt b/N2/1.txt index d26e35e..cdee45b 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -1,4 +1,4 @@ -From: Peter Zijlstra <peterz at infradead.org> +From: Peter Zijlstra <peterz@infradead.org> Nicolai Stange discovered[1] that if live kernel patching is enabled, and the function tracer started tracing the same function that was patched, the @@ -17,45 +17,45 @@ But after some debate[4][5] adding a gap in the stack when entering the breakpoint handler allows for pushing the return address onto the stack to easily emulate a call. -[1] http://lkml.kernel.org/r/20180726104029.7736-1-nstange at suse.de -[2] http://lkml.kernel.org/r/20190427100639.15074-1-nstange at suse.de -[3] http://lkml.kernel.org/r/3cf04e113d71c9f8e4be95fb84a510f085aa4afa.1541711457.git.jpoimboe at redhat.com -[4] http://lkml.kernel.org/r/CAHk-=wh5OpheSU8Em_Q3Hg8qw_JtoijxOdPtHru6d+5K8TWM=A at mail.gmail.com -[5] http://lkml.kernel.org/r/CAHk-=wjvQxY4DvPrJ6haPgAa6b906h=MwZXO6G8OtiTGe=N7_w at mail.gmail.com +[1] http://lkml.kernel.org/r/20180726104029.7736-1-nstange@suse.de +[2] http://lkml.kernel.org/r/20190427100639.15074-1-nstange@suse.de +[3] http://lkml.kernel.org/r/3cf04e113d71c9f8e4be95fb84a510f085aa4afa.1541711457.git.jpoimboe@redhat.com +[4] http://lkml.kernel.org/r/CAHk-=wh5OpheSU8Em_Q3Hg8qw_JtoijxOdPtHru6d+5K8TWM=A@mail.gmail.com +[5] http://lkml.kernel.org/r/CAHk-=wjvQxY4DvPrJ6haPgAa6b906h=MwZXO6G8OtiTGe=N7_w@mail.gmail.com [ Live kernel patching is not implemented on x86_32, thus the emulate calls are only for x86_64. ] -Cc: Andy Lutomirski <luto at kernel.org> -Cc: Nicolai Stange <nstange at suse.de> -Cc: Thomas Gleixner <tglx at linutronix.de> -Cc: Ingo Molnar <mingo at redhat.com> -Cc: Borislav Petkov <bp at alien8.de> -Cc: "H. Peter Anvin" <hpa at zytor.com> -Cc: the arch/x86 maintainers <x86 at kernel.org> -Cc: Josh Poimboeuf <jpoimboe at redhat.com> -Cc: Jiri Kosina <jikos at kernel.org> -Cc: Miroslav Benes <mbenes at suse.cz> -Cc: Petr Mladek <pmladek at suse.com> -Cc: Joe Lawrence <joe.lawrence at redhat.com> -Cc: Shuah Khan <shuah at kernel.org> -Cc: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com> -Cc: Tim Chen <tim.c.chen at linux.intel.com> -Cc: Sebastian Andrzej Siewior <bigeasy at linutronix.de> -Cc: Mimi Zohar <zohar at linux.ibm.com> -Cc: Juergen Gross <jgross at suse.com> -Cc: Nick Desaulniers <ndesaulniers at google.com> -Cc: Nayna Jain <nayna at linux.ibm.com> -Cc: Masahiro Yamada <yamada.masahiro at socionext.com> -Cc: Joerg Roedel <jroedel at suse.de> -Cc: "open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest at vger.kernel.org> -Cc: stable at vger.kernel.org +Cc: Andy Lutomirski <luto@kernel.org> +Cc: Nicolai Stange <nstange@suse.de> +Cc: Thomas Gleixner <tglx@linutronix.de> +Cc: Ingo Molnar <mingo@redhat.com> +Cc: Borislav Petkov <bp@alien8.de> +Cc: "H. Peter Anvin" <hpa@zytor.com> +Cc: the arch/x86 maintainers <x86@kernel.org> +Cc: Josh Poimboeuf <jpoimboe@redhat.com> +Cc: Jiri Kosina <jikos@kernel.org> +Cc: Miroslav Benes <mbenes@suse.cz> +Cc: Petr Mladek <pmladek@suse.com> +Cc: Joe Lawrence <joe.lawrence@redhat.com> +Cc: Shuah Khan <shuah@kernel.org> +Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> +Cc: Tim Chen <tim.c.chen@linux.intel.com> +Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +Cc: Mimi Zohar <zohar@linux.ibm.com> +Cc: Juergen Gross <jgross@suse.com> +Cc: Nick Desaulniers <ndesaulniers@google.com> +Cc: Nayna Jain <nayna@linux.ibm.com> +Cc: Masahiro Yamada <yamada.masahiro@socionext.com> +Cc: Joerg Roedel <jroedel@suse.de> +Cc: "open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@vger.kernel.org> +Cc: stable@vger.kernel.org Fixes: b700e7f03df5 ("livepatch: kernel: add support for live patching") -Signed-off-by: Peter Zijlstra (Intel) <peterz at infradead.org> +Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> [ Changed to only implement emulated calls for x86_64 ] -Signed-off-by: Steven Rostedt (VMware) <rostedt at goodmis.org> +Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> --- arch/x86/kernel/ftrace.c | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/a/content_digest b/N2/content_digest index 36b6afe..b85937d 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -1,10 +1,41 @@ "ref\020190507174227.673261270@goodmis.org\0" - "From\0rostedt at goodmis.org (Steven Rostedt)\0" + "From\0Steven Rostedt <rostedt@goodmis.org>\0" "Subject\0[RFC][PATCH 3/3] ftrace/x86_64: Emulate call function while updating in breakpoint handler\0" "Date\0Tue, 07 May 2019 13:42:30 -0400\0" + "To\0linux-kernel@vger.kernel.org\0" + "Cc\0Linus Torvalds <torvalds@linux-foundation.org>" + Peter Zijlstra <peterz@infradead.org> + Andy Lutomirski <luto@amacapital.net> + Ingo Molnar <mingo@kernel.org> + Andrew Morton <akpm@linux-foundation.org> + Andy Lutomirski <luto@kernel.org> + Nicolai Stange <nstange@suse.de> + Thomas Gleixner <tglx@linutronix.de> + Ingo Molnar <mingo@redhat.com> + Borislav Petkov <bp@alien8.de> + H. Peter Anvin <hpa@zytor.com> + the arch/x86 maintainers <x86@kernel.org> + Josh Poimboeuf <jpoimboe@redhat.com> + Jiri Kosina <jikos@kernel.org> + Miroslav Benes <mbenes@suse.cz> + Petr Mladek <pmladek@suse.com> + Joe Lawrence <joe.lawrence@redhat.com> + Shuah Khan <shuah@kernel.org> + Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> + Tim Chen <tim.c.chen@linux.intel.com> + Sebastian Andrzej Siewior <bigeasy@linutronix.de> + Mimi Zohar <zohar@linux.ibm.com> + Juergen Gross <jgross@suse.com> + Nick Desaulniers <ndesaulniers@google.com> + Nayna Jain <nayna@linux.ibm.com> + Masahiro Yamada <yamada.masahiro@socionext.com> + Joerg Roedel <jroedel@suse.de> + open list:KERNEL SELFTEST FRAMEWORK <linux-kselftest@vger.kernel.org> + stable <stable@vger.kernel.org> + " Masami Hiramatsu <mhiramat@kernel.org>\0" "\00:1\0" "b\0" - "From: Peter Zijlstra <peterz at infradead.org>\n" + "From: Peter Zijlstra <peterz@infradead.org>\n" "\n" "Nicolai Stange discovered[1] that if live kernel patching is enabled, and the\n" "function tracer started tracing the same function that was patched, the\n" @@ -23,45 +54,45 @@ "breakpoint handler allows for pushing the return address onto the stack to\n" "easily emulate a call.\n" "\n" - "[1] http://lkml.kernel.org/r/20180726104029.7736-1-nstange at suse.de\n" - "[2] http://lkml.kernel.org/r/20190427100639.15074-1-nstange at suse.de\n" - "[3] http://lkml.kernel.org/r/3cf04e113d71c9f8e4be95fb84a510f085aa4afa.1541711457.git.jpoimboe at redhat.com\n" - "[4] http://lkml.kernel.org/r/CAHk-=wh5OpheSU8Em_Q3Hg8qw_JtoijxOdPtHru6d+5K8TWM=A at mail.gmail.com\n" - "[5] http://lkml.kernel.org/r/CAHk-=wjvQxY4DvPrJ6haPgAa6b906h=MwZXO6G8OtiTGe=N7_w at mail.gmail.com\n" + "[1] http://lkml.kernel.org/r/20180726104029.7736-1-nstange@suse.de\n" + "[2] http://lkml.kernel.org/r/20190427100639.15074-1-nstange@suse.de\n" + "[3] http://lkml.kernel.org/r/3cf04e113d71c9f8e4be95fb84a510f085aa4afa.1541711457.git.jpoimboe@redhat.com\n" + "[4] http://lkml.kernel.org/r/CAHk-=wh5OpheSU8Em_Q3Hg8qw_JtoijxOdPtHru6d+5K8TWM=A@mail.gmail.com\n" + "[5] http://lkml.kernel.org/r/CAHk-=wjvQxY4DvPrJ6haPgAa6b906h=MwZXO6G8OtiTGe=N7_w@mail.gmail.com\n" "\n" "[\n" " Live kernel patching is not implemented on x86_32, thus the emulate\n" " calls are only for x86_64.\n" "]\n" "\n" - "Cc: Andy Lutomirski <luto at kernel.org>\n" - "Cc: Nicolai Stange <nstange at suse.de>\n" - "Cc: Thomas Gleixner <tglx at linutronix.de>\n" - "Cc: Ingo Molnar <mingo at redhat.com>\n" - "Cc: Borislav Petkov <bp at alien8.de>\n" - "Cc: \"H. Peter Anvin\" <hpa at zytor.com>\n" - "Cc: the arch/x86 maintainers <x86 at kernel.org>\n" - "Cc: Josh Poimboeuf <jpoimboe at redhat.com>\n" - "Cc: Jiri Kosina <jikos at kernel.org>\n" - "Cc: Miroslav Benes <mbenes at suse.cz>\n" - "Cc: Petr Mladek <pmladek at suse.com>\n" - "Cc: Joe Lawrence <joe.lawrence at redhat.com>\n" - "Cc: Shuah Khan <shuah at kernel.org>\n" - "Cc: Konrad Rzeszutek Wilk <konrad.wilk at oracle.com>\n" - "Cc: Tim Chen <tim.c.chen at linux.intel.com>\n" - "Cc: Sebastian Andrzej Siewior <bigeasy at linutronix.de>\n" - "Cc: Mimi Zohar <zohar at linux.ibm.com>\n" - "Cc: Juergen Gross <jgross at suse.com>\n" - "Cc: Nick Desaulniers <ndesaulniers at google.com>\n" - "Cc: Nayna Jain <nayna at linux.ibm.com>\n" - "Cc: Masahiro Yamada <yamada.masahiro at socionext.com>\n" - "Cc: Joerg Roedel <jroedel at suse.de>\n" - "Cc: \"open list:KERNEL SELFTEST FRAMEWORK\" <linux-kselftest at vger.kernel.org>\n" - "Cc: stable at vger.kernel.org\n" + "Cc: Andy Lutomirski <luto@kernel.org>\n" + "Cc: Nicolai Stange <nstange@suse.de>\n" + "Cc: Thomas Gleixner <tglx@linutronix.de>\n" + "Cc: Ingo Molnar <mingo@redhat.com>\n" + "Cc: Borislav Petkov <bp@alien8.de>\n" + "Cc: \"H. Peter Anvin\" <hpa@zytor.com>\n" + "Cc: the arch/x86 maintainers <x86@kernel.org>\n" + "Cc: Josh Poimboeuf <jpoimboe@redhat.com>\n" + "Cc: Jiri Kosina <jikos@kernel.org>\n" + "Cc: Miroslav Benes <mbenes@suse.cz>\n" + "Cc: Petr Mladek <pmladek@suse.com>\n" + "Cc: Joe Lawrence <joe.lawrence@redhat.com>\n" + "Cc: Shuah Khan <shuah@kernel.org>\n" + "Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>\n" + "Cc: Tim Chen <tim.c.chen@linux.intel.com>\n" + "Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>\n" + "Cc: Mimi Zohar <zohar@linux.ibm.com>\n" + "Cc: Juergen Gross <jgross@suse.com>\n" + "Cc: Nick Desaulniers <ndesaulniers@google.com>\n" + "Cc: Nayna Jain <nayna@linux.ibm.com>\n" + "Cc: Masahiro Yamada <yamada.masahiro@socionext.com>\n" + "Cc: Joerg Roedel <jroedel@suse.de>\n" + "Cc: \"open list:KERNEL SELFTEST FRAMEWORK\" <linux-kselftest@vger.kernel.org>\n" + "Cc: stable@vger.kernel.org\n" "Fixes: b700e7f03df5 (\"livepatch: kernel: add support for live patching\")\n" - "Signed-off-by: Peter Zijlstra (Intel) <peterz at infradead.org>\n" + "Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>\n" "[ Changed to only implement emulated calls for x86_64 ]\n" - "Signed-off-by: Steven Rostedt (VMware) <rostedt at goodmis.org>\n" + "Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>\n" "---\n" " arch/x86/kernel/ftrace.c | 32 +++++++++++++++++++++++++++-----\n" " 1 file changed, 27 insertions(+), 5 deletions(-)\n" @@ -149,4 +180,4 @@ "-- \n" 2.20.1 -dca5d4b3f71f7e784628bbe01300e37c15c10e16329029ced5a99fc1e3bcf458 +ef888f7b4ec60a2acb1bbd2f2b98a749d8011b727e09afad1afc0119d596edd0
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