All of lore.kernel.org
 help / color / mirror / Atom feed
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Kees Cook <keescook@chromium.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	"Tobin C. Harding" <me@tobin.cc>,
	Steven Rostedt <rostedt@goodmis.org>,
	Jonathan Corbet <corbet@lwn.net>, Chris Mason <clm@fb.com>,
	Josef Bacik <jbacik@fb.com>, David Sterba <dsterba@suse.com>,
	"David S. Miller" <davem@davemloft.net>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Borislav Petkov <bp@suse.de>, Ian Abbott <abbotti@mev.co.uk>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
	Petr Mladek <pmladek@suse.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Pantelis Antoniou <pantelis.antoniou@konsulko.com>,
	Linux Btrfs <linux-btrfs@vger.kernel.org>,
	Network Development <netdev@vger.kernel.org>,
	Kernel Hardening <kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH v3] kernel.h: Skip single-eval logic on literals in min()/max()
Date: Sat, 10 Mar 2018 08:04:40 -0800	[thread overview]
Message-ID: <CA+55aFxtM4zq7vGsUz0DBpJ7jECrHoXwiYdAX+Z2wSNyfPKDsw@mail.gmail.com> (raw)
In-Reply-To: <CANiq72nmCCDa9vV-49cNaJoQQO25r2YsYDaspoKn0xMeDOH10w@mail.gmail.com>

On Fri, Mar 9, 2018 at 11:03 PM, Miguel Ojeda
<miguel.ojeda.sandonis@gmail.com> wrote:
>
> Just compiled 4.9.0 and it seems to work -- so that would be the
> minimum required.
>
> Sigh...
>
> Some enterprise distros are either already shipping gcc >= 5 or will
> probably be shipping it soon (e.g. RHEL 8), so how much does it hurt
> to ask for a newer gcc? Are there many users/companies out there using
> enterprise distributions' gcc to compile and run the very latest
> kernels?

I wouldn't mind upping the compiler requirements, and we have other
reasons to go to 4.6.

But _this_ particular issue doesn't seem worth it to then go even
further. Annoying.

                   Linus

WARNING: multiple messages have this Message-ID (diff)
From: Linus Torvalds <torvalds@linux-foundation.org>
To: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Kees Cook <keescook@chromium.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>,
	"Tobin C. Harding" <me@tobin.cc>,
	Steven Rostedt <rostedt@goodmis.org>,
	Jonathan Corbet <corbet@lwn.net>, Chris Mason <clm@fb.com>,
	Josef Bacik <jbacik@fb.com>, David Sterba <dsterba@suse.com>,
	"David S. Miller" <davem@davemloft.net>,
	Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>,
	Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Masahiro Yamada <yamada.masahiro@socio
Subject: Re: [PATCH v3] kernel.h: Skip single-eval logic on literals in min()/max()
Date: Sat, 10 Mar 2018 08:04:40 -0800	[thread overview]
Message-ID: <CA+55aFxtM4zq7vGsUz0DBpJ7jECrHoXwiYdAX+Z2wSNyfPKDsw@mail.gmail.com> (raw)
In-Reply-To: <CANiq72nmCCDa9vV-49cNaJoQQO25r2YsYDaspoKn0xMeDOH10w@mail.gmail.com>

On Fri, Mar 9, 2018 at 11:03 PM, Miguel Ojeda
<miguel.ojeda.sandonis@gmail.com> wrote:
>
> Just compiled 4.9.0 and it seems to work -- so that would be the
> minimum required.
>
> Sigh...
>
> Some enterprise distros are either already shipping gcc >= 5 or will
> probably be shipping it soon (e.g. RHEL 8), so how much does it hurt
> to ask for a newer gcc? Are there many users/companies out there using
> enterprise distributions' gcc to compile and run the very latest
> kernels?

I wouldn't mind upping the compiler requirements, and we have other
reasons to go to 4.6.

But _this_ particular issue doesn't seem worth it to then go even
further. Annoying.

                   Linus

  reply	other threads:[~2018-03-10 16:04 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-09 20:05 [PATCH v3] kernel.h: Skip single-eval logic on literals in min()/max() Kees Cook
2018-03-09 20:05 ` Kees Cook
2018-03-09 21:10 ` Linus Torvalds
2018-03-09 21:10   ` Linus Torvalds
2018-03-09 21:47   ` Kees Cook
2018-03-09 21:47     ` Kees Cook
2018-03-11 22:46   ` Tobin C. Harding
2018-03-11 22:46     ` Tobin C. Harding
2018-03-11 22:46     ` Tobin C. Harding
2018-03-13 13:31   ` David Laight
2018-03-13 13:31     ` David Laight
2018-03-10  0:07 ` Andrew Morton
2018-03-10  0:07   ` Andrew Morton
2018-03-10  0:28   ` Linus Torvalds
2018-03-10  0:28     ` Linus Torvalds
2018-03-10  0:32     ` Andrew Morton
2018-03-10  0:32       ` Andrew Morton
2018-03-10  0:38       ` Linus Torvalds
2018-03-10  0:38         ` Linus Torvalds
2018-03-10  1:30         ` Kees Cook
2018-03-10  1:30           ` Kees Cook
2018-03-10  1:31           ` Kees Cook
2018-03-10  1:31             ` Kees Cook
2018-03-10  2:37             ` Linus Torvalds
2018-03-10  2:37               ` Linus Torvalds
2018-03-12 22:55           ` Andrew Morton
2018-03-12 22:55             ` Andrew Morton
2018-03-12 23:57             ` Linus Torvalds
2018-03-12 23:57               ` Linus Torvalds
2018-03-13  4:28               ` Kees Cook
2018-03-13  4:28                 ` Kees Cook
2018-03-13 21:02                 ` Andrew Morton
2018-03-13 21:02                   ` Andrew Morton
2018-03-13 22:14                   ` Kees Cook
2018-03-13 22:14                     ` Kees Cook
2018-03-14 11:35                     ` David Laight
2018-03-14 11:35                       ` David Laight
2018-03-10  3:11   ` Randy Dunlap
2018-03-10  3:11     ` Randy Dunlap
2018-03-10  6:10     ` Miguel Ojeda
2018-03-10  6:10       ` Miguel Ojeda
2018-03-10  7:03       ` Miguel Ojeda
2018-03-10  7:03         ` Miguel Ojeda
2018-03-10 16:04         ` Linus Torvalds [this message]
2018-03-10 16:04           ` Linus Torvalds
2018-03-10 15:33       ` Kees Cook
2018-03-10 15:33         ` Kees Cook
2018-03-10 16:11         ` Linus Torvalds
2018-03-10 16:11           ` Linus Torvalds
2018-03-10 16:30         ` Linus Torvalds
2018-03-10 16:30           ` Linus Torvalds
2018-03-10 17:34           ` Miguel Ojeda
2018-03-10 17:34             ` Miguel Ojeda
2018-03-10 17:51             ` Linus Torvalds
2018-03-10 17:51               ` Linus Torvalds
2018-03-10 19:08               ` Miguel Ojeda
2018-03-10 19:08                 ` Miguel Ojeda
2018-03-11 11:05               ` Ingo Molnar
2018-03-11 11:05                 ` Ingo Molnar
2018-03-11 18:23                 ` Linus Torvalds
2018-03-11 18:23                   ` Linus Torvalds
2018-03-10  2:34 [PATCH 0/3] tracing: Rewrite the function filter code Steven Rostedt
2018-03-10  2:34 ` [PATCH 1/3] tracing: Combine enum and arrays into single macro in " Steven Rostedt
2018-03-12 10:31   ` Masami Hiramatsu
2018-03-10  2:34 ` [PATCH 2/3] tracing: Clean up and document pred_funcs_##type creation and use Steven Rostedt
2018-03-12 13:42   ` Masami Hiramatsu
2018-03-10  2:34 ` [PATCH 3/3] tracing: Rewrite filter logic to be simpler and faster Steven Rostedt
2018-03-10  3:10   ` Steven Rostedt
2018-03-10  3:10     ` Steven Rostedt
2018-03-10  3:15     ` Steven Rostedt
2018-03-10  3:15       ` Steven Rostedt
2018-03-10  3:22       ` Steven Rostedt
2018-03-10  3:22         ` Steven Rostedt
2018-03-10  3:18   ` Steven Rostedt
2018-03-12 12:42   ` Jiri Olsa
2018-03-12 18:38     ` Steven Rostedt
2018-03-12 15:10   ` Jiri Olsa
2018-03-12 18:40     ` Steven Rostedt
2018-03-12 18:54       ` Jiri Olsa
2018-03-12 19:10         ` Steven Rostedt
2018-03-12 23:52         ` Steven Rostedt
2018-03-13 10:14           ` Jiri Olsa
2018-03-13 14:12             ` Steven Rostedt
2018-03-13 14:27               ` Jiri Olsa
2018-03-11 19:54 ` [PATCH 0/3] tracing: Rewrite the function filter code Jiri Olsa

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=CA+55aFxtM4zq7vGsUz0DBpJ7jECrHoXwiYdAX+Z2wSNyfPKDsw@mail.gmail.com \
    --to=torvalds@linux-foundation.org \
    --cc=abbotti@mev.co.uk \
    --cc=akpm@linux-foundation.org \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=bp@suse.de \
    --cc=clm@fb.com \
    --cc=corbet@lwn.net \
    --cc=davem@davemloft.net \
    --cc=dsterba@suse.com \
    --cc=gustavo@embeddedor.com \
    --cc=jbacik@fb.com \
    --cc=jpoimboe@redhat.com \
    --cc=keescook@chromium.org \
    --cc=kernel-hardening@lists.openwall.com \
    --cc=kuznet@ms2.inr.ac.ru \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@rasmusvillemoes.dk \
    --cc=me@tobin.cc \
    --cc=miguel.ojeda.sandonis@gmail.com \
    --cc=mingo@kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=pantelis.antoniou@konsulko.com \
    --cc=peterz@infradead.org \
    --cc=pmladek@suse.com \
    --cc=rdunlap@infradead.org \
    --cc=rostedt@goodmis.org \
    --cc=sergey.senozhatsky.work@gmail.com \
    --cc=tglx@linutronix.de \
    --cc=yamada.masahiro@socionext.com \
    --cc=yoshfuji@linux-ipv6.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.