From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@lst.de>, Al Viro <viro@zeniv.linux.org.uk>,
Luis Chamberlain <mcgrof@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
the arch/x86 maintainers <x86@kernel.org>,
"open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
Parisc List <linux-parisc@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-s390 <linux-s390@vger.kernel.org>,
sparclinux <sparclinux@vger.kernel.org>,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/6] exec: simplify the compat syscall handling
Date: Mon, 15 Jun 2020 17:09:26 +0200 [thread overview]
Message-ID: <20200615150926.GA17108@lst.de> (raw)
In-Reply-To: <CAK8P3a17h782gO65qJ9Mmz0EuiTSKQPEyr_=nvqOtnmQZuh9Kw@mail.gmail.com>
On Mon, Jun 15, 2020 at 04:46:15PM +0200, Arnd Bergmann wrote:
> How about this one:
>
> diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
> index 3d8d70d3896c..0ce15807cf54 100644
> --- a/arch/x86/entry/syscall_x32.c
> +++ b/arch/x86/entry/syscall_x32.c
> @@ -16,6 +16,9 @@
> #undef __SYSCALL_X32
> #undef __SYSCALL_COMMON
>
> +#define __x32_sys_execve __x64_sys_execve
> +#define __x32_sys_execveat __x64_sys_execveat
> +
arch/x86/entry/syscall_x32.c:19:26: error: ‘__x64_sys_execve’ undeclared here (not in a function); did you mean ‘__x32_sys_execve’?
19 | #define __x32_sys_execve __x64_sys_execve
| ^~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execve’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:344:1: note: in expansion of macro ‘__SYSCALL_X32’
344 | __SYSCALL_X32(520, sys_execve)
| ^~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:20:28: error: ‘__x64_sys_execveat’ undeclared here (not in a function); did you mean ‘__x32_sys_execveat’?
20 | #define __x32_sys_execveat __x64_sys_execveat
| ^~~~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execveat’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:369:1: note: in expansion of macro ‘__SYSCALL_X32’
369 | __SYSCALL_X32(545, sys_execveat)
| ^~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:281: arch/x86/entry/syscall_x32.o] Error 1
make[1]: *** [scripts/Makefile.build:497: arch/x86/entry] Error 2
make[1]: *** Waiting for unfinished jobs....
kernel/exit.o: warning: objtool: __x64_sys_exit_group()+0x14: unreachable instruction
make: *** [Makefile:1764: arch/x86] Error 2
make: *** Waiting for unfinished jobs....
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@lst.de>, Al Viro <viro@zeniv.linux.org.uk>,
Luis Chamberlain <mcgrof@kernel.org>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
the arch/x86 maintainers <x86@kernel.org>,
"open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
Parisc List <linux-parisc@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-s390 <linux-s390@vger.kernel.org>,
sparclinux <sparclinux@vger.kernel.org>,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
linux-arch <linux-arch@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/6] exec: simplify the compat syscall handling
Date: Mon, 15 Jun 2020 15:09:26 +0000 [thread overview]
Message-ID: <20200615150926.GA17108@lst.de> (raw)
In-Reply-To: <CAK8P3a17h782gO65qJ9Mmz0EuiTSKQPEyr_=nvqOtnmQZuh9Kw@mail.gmail.com>
On Mon, Jun 15, 2020 at 04:46:15PM +0200, Arnd Bergmann wrote:
> How about this one:
>
> diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
> index 3d8d70d3896c..0ce15807cf54 100644
> --- a/arch/x86/entry/syscall_x32.c
> +++ b/arch/x86/entry/syscall_x32.c
> @@ -16,6 +16,9 @@
> #undef __SYSCALL_X32
> #undef __SYSCALL_COMMON
>
> +#define __x32_sys_execve __x64_sys_execve
> +#define __x32_sys_execveat __x64_sys_execveat
> +
arch/x86/entry/syscall_x32.c:19:26: error: ‘__x64_sys_execve’ undeclared here (not in a function); did you mean ‘__x32_sys_execve’?
19 | #define __x32_sys_execve __x64_sys_execve
| ^~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execve’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:344:1: note: in expansion of macro ‘__SYSCALL_X32’
344 | __SYSCALL_X32(520, sys_execve)
| ^~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:20:28: error: ‘__x64_sys_execveat’ undeclared here (not in a function); did you mean ‘__x32_sys_execveat’?
20 | #define __x32_sys_execveat __x64_sys_execveat
| ^~~~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execveat’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:369:1: note: in expansion of macro ‘__SYSCALL_X32’
369 | __SYSCALL_X32(545, sys_execveat)
| ^~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:281: arch/x86/entry/syscall_x32.o] Error 1
make[1]: *** [scripts/Makefile.build:497: arch/x86/entry] Error 2
make[1]: *** Waiting for unfinished jobs....
kernel/exit.o: warning: objtool: __x64_sys_exit_group()+0x14: unreachable instruction
make: *** [Makefile:1764: arch/x86] Error 2
make: *** Waiting for unfinished jobs....
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Parisc List <linux-parisc@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
"open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
Luis Chamberlain <mcgrof@kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>,
sparclinux <sparclinux@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Christoph Hellwig <hch@lst.de>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/6] exec: simplify the compat syscall handling
Date: Mon, 15 Jun 2020 17:09:26 +0200 [thread overview]
Message-ID: <20200615150926.GA17108@lst.de> (raw)
In-Reply-To: <CAK8P3a17h782gO65qJ9Mmz0EuiTSKQPEyr_=nvqOtnmQZuh9Kw@mail.gmail.com>
On Mon, Jun 15, 2020 at 04:46:15PM +0200, Arnd Bergmann wrote:
> How about this one:
>
> diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
> index 3d8d70d3896c..0ce15807cf54 100644
> --- a/arch/x86/entry/syscall_x32.c
> +++ b/arch/x86/entry/syscall_x32.c
> @@ -16,6 +16,9 @@
> #undef __SYSCALL_X32
> #undef __SYSCALL_COMMON
>
> +#define __x32_sys_execve __x64_sys_execve
> +#define __x32_sys_execveat __x64_sys_execveat
> +
arch/x86/entry/syscall_x32.c:19:26: error: ‘__x64_sys_execve’ undeclared here (not in a function); did you mean ‘__x32_sys_execve’?
19 | #define __x32_sys_execve __x64_sys_execve
| ^~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execve’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:344:1: note: in expansion of macro ‘__SYSCALL_X32’
344 | __SYSCALL_X32(520, sys_execve)
| ^~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:20:28: error: ‘__x64_sys_execveat’ undeclared here (not in a function); did you mean ‘__x32_sys_execveat’?
20 | #define __x32_sys_execveat __x64_sys_execveat
| ^~~~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execveat’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:369:1: note: in expansion of macro ‘__SYSCALL_X32’
369 | __SYSCALL_X32(545, sys_execveat)
| ^~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:281: arch/x86/entry/syscall_x32.o] Error 1
make[1]: *** [scripts/Makefile.build:497: arch/x86/entry] Error 2
make[1]: *** Waiting for unfinished jobs....
kernel/exit.o: warning: objtool: __x64_sys_exit_group()+0x14: unreachable instruction
make: *** [Makefile:1764: arch/x86] Error 2
make: *** Waiting for unfinished jobs....
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch <linux-arch@vger.kernel.org>,
linux-s390 <linux-s390@vger.kernel.org>,
Parisc List <linux-parisc@vger.kernel.org>,
the arch/x86 maintainers <x86@kernel.org>,
"open list:BROADCOM NVRAM DRIVER" <linux-mips@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
Luis Chamberlain <mcgrof@kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>,
sparclinux <sparclinux@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Christoph Hellwig <hch@lst.de>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/6] exec: simplify the compat syscall handling
Date: Mon, 15 Jun 2020 17:09:26 +0200 [thread overview]
Message-ID: <20200615150926.GA17108@lst.de> (raw)
In-Reply-To: <CAK8P3a17h782gO65qJ9Mmz0EuiTSKQPEyr_=nvqOtnmQZuh9Kw@mail.gmail.com>
On Mon, Jun 15, 2020 at 04:46:15PM +0200, Arnd Bergmann wrote:
> How about this one:
>
> diff --git a/arch/x86/entry/syscall_x32.c b/arch/x86/entry/syscall_x32.c
> index 3d8d70d3896c..0ce15807cf54 100644
> --- a/arch/x86/entry/syscall_x32.c
> +++ b/arch/x86/entry/syscall_x32.c
> @@ -16,6 +16,9 @@
> #undef __SYSCALL_X32
> #undef __SYSCALL_COMMON
>
> +#define __x32_sys_execve __x64_sys_execve
> +#define __x32_sys_execveat __x64_sys_execveat
> +
arch/x86/entry/syscall_x32.c:19:26: error: ‘__x64_sys_execve’ undeclared here (not in a function); did you mean ‘__x32_sys_execve’?
19 | #define __x32_sys_execve __x64_sys_execve
| ^~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execve’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:344:1: note: in expansion of macro ‘__SYSCALL_X32’
344 | __SYSCALL_X32(520, sys_execve)
| ^~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:20:28: error: ‘__x64_sys_execveat’ undeclared here (not in a function); did you mean ‘__x32_sys_execveat’?
20 | #define __x32_sys_execveat __x64_sys_execveat
| ^~~~~~~~~~~~~~~~~~
arch/x86/entry/syscall_x32.c:22:39: note: in expansion of macro ‘__x32_sys_execveat’
22 | #define __SYSCALL_X32(nr, sym) [nr] = __x32_##sym,
| ^~~~~~
./arch/x86/include/generated/asm/syscalls_64.h:369:1: note: in expansion of macro ‘__SYSCALL_X32’
369 | __SYSCALL_X32(545, sys_execveat)
| ^~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:281: arch/x86/entry/syscall_x32.o] Error 1
make[1]: *** [scripts/Makefile.build:497: arch/x86/entry] Error 2
make[1]: *** Waiting for unfinished jobs....
kernel/exit.o: warning: objtool: __x64_sys_exit_group()+0x14: unreachable instruction
make: *** [Makefile:1764: arch/x86] Error 2
make: *** Waiting for unfinished jobs....
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-06-15 15:09 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-15 13:00 properly support exec and wait with kernel pointers Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` [PATCH 1/6] exec: cleanup the execve wrappers Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` [PATCH 2/6] exec: simplify the compat syscall handling Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:31 ` Arnd Bergmann
2020-06-15 13:31 ` Arnd Bergmann
2020-06-15 13:31 ` Arnd Bergmann
2020-06-15 13:31 ` Arnd Bergmann
2020-06-15 14:12 ` Christoph Hellwig
2020-06-15 14:12 ` Christoph Hellwig
2020-06-15 14:12 ` Christoph Hellwig
2020-06-15 14:12 ` Christoph Hellwig
2020-06-15 14:40 ` Arnd Bergmann
2020-06-15 14:40 ` Arnd Bergmann
2020-06-15 14:40 ` Arnd Bergmann
2020-06-15 14:40 ` Arnd Bergmann
2020-06-15 14:43 ` Christoph Hellwig
2020-06-15 14:43 ` Christoph Hellwig
2020-06-15 14:43 ` Christoph Hellwig
2020-06-15 14:43 ` Christoph Hellwig
2020-06-15 14:46 ` Arnd Bergmann
2020-06-15 14:46 ` Arnd Bergmann
2020-06-15 14:46 ` Arnd Bergmann
2020-06-15 14:46 ` Arnd Bergmann
2020-06-15 15:09 ` Christoph Hellwig [this message]
2020-06-15 15:09 ` Christoph Hellwig
2020-06-15 15:09 ` Christoph Hellwig
2020-06-15 15:09 ` Christoph Hellwig
2020-06-15 15:33 ` Brian Gerst
2020-06-15 15:33 ` Brian Gerst
2020-06-15 15:33 ` Brian Gerst
2020-06-15 15:33 ` Brian Gerst
2020-06-15 15:33 ` Brian Gerst
2020-06-15 16:41 ` Christoph Hellwig
2020-06-15 16:41 ` Christoph Hellwig
2020-06-15 16:41 ` Christoph Hellwig
2020-06-15 16:41 ` Christoph Hellwig
2020-06-15 14:48 ` Brian Gerst
2020-06-15 14:48 ` Brian Gerst
2020-06-15 14:48 ` Brian Gerst
2020-06-15 14:48 ` Brian Gerst
2020-06-15 18:47 ` Arnd Bergmann
2020-06-15 18:47 ` Arnd Bergmann
2020-06-15 18:47 ` Arnd Bergmann
2020-06-15 18:47 ` Arnd Bergmann
2020-06-15 19:45 ` Brian Gerst
2020-06-15 19:45 ` Brian Gerst
2020-06-15 19:45 ` Brian Gerst
2020-06-15 19:45 ` Brian Gerst
2020-06-15 13:00 ` [PATCH 3/6] exec: cleanup the count() function Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` [PATCH 4/6] exec: split prepare_arg_pages Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` [PATCH 5/6] exec: add a kernel_execveat helper Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` [PATCH 6/6] kernel: add a kernel_wait helper Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:00 ` Christoph Hellwig
2020-06-15 13:42 ` properly support exec and wait with kernel pointers Arnd Bergmann
2020-06-15 13:42 ` Arnd Bergmann
2020-06-15 13:42 ` Arnd Bergmann
2020-06-15 13:42 ` Arnd Bergmann
2020-06-18 14:46 properly support exec and wait with kernel pointers v2 Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` [PATCH 1/6] exec: cleanup the execve wrappers Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` [PATCH 2/6] exec: simplify the compat syscall handling Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` [PATCH 3/6] exec: cleanup the count() function Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-19 8:28 ` Sergei Shtylyov
2020-06-19 8:28 ` Sergei Shtylyov
2020-06-19 8:28 ` Sergei Shtylyov
2020-06-19 8:28 ` Sergei Shtylyov
2020-06-18 14:46 ` [PATCH 4/6] exec: split prepare_arg_pages Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` [PATCH 5/6] exec: add a kernel_execveat helper Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` [PATCH 6/6] kernel: add a kernel_wait helper Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-18 14:46 ` Christoph Hellwig
2020-06-19 21:17 ` Luis Chamberlain
2020-06-19 21:17 ` Luis Chamberlain
2020-06-19 21:17 ` Luis Chamberlain
2020-06-20 6:35 ` Christoph Hellwig
2020-06-20 6:35 ` Christoph Hellwig
2020-06-20 6:35 ` Christoph Hellwig
2020-06-20 6:35 ` Christoph Hellwig
2020-06-20 17:02 ` Luis Chamberlain
2020-06-20 17:02 ` Luis Chamberlain
2020-06-20 17:02 ` Luis Chamberlain
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200615150926.GA17108@lst.de \
--to=hch@lst.de \
--cc=arnd@arndb.de \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@vger.kernel.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mcgrof@kernel.org \
--cc=sparclinux@vger.kernel.org \
--cc=viro@zeniv.linux.org.uk \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.