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From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Ingo Molnar <mingo@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"David S. Miller" <davem@davemloft.net>,
	Ard Biesheuvel <ardb@kernel.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell"
Date: Wed, 5 Jan 2022 11:37:02 +0200	[thread overview]
Message-ID: <CAHp75VeUmg73d6gua+LoHiyihMW3tqexTYe4QvKXS8gbXZP15w@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a3Q4faZvgVXoCALXiEn9WTunwZy__TjkiHGRQgtK9Uocw@mail.gmail.com>

On Wed, Jan 5, 2022 at 4:08 AM Arnd Bergmann <arnd@arndb.de> wrote:
> On Mon, Jan 3, 2022 at 6:12 AM Ingo Molnar <mingo@kernel.org> wrote:

...

> Most of the patches should be the same either way (adding back
> missing includes to drivers, and doing cleanups to commonly
> included headers to avoid the deep nesting), the interesting bit
> will be how to properly define the larger structures without pulling
> in the rest of the world.

I'm wondering if the compiler can provide us the statistics of usage
on a per custom type basis. In this case the highest frequency will
probably mean that we better have that type in a separate header or
tree of _independent_ headers.


-- 
With Best Regards,
Andy Shevchenko

  parent reply	other threads:[~2022-01-05  9:37 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-02 21:57 [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Ingo Molnar
2022-01-03 10:11 ` Greg Kroah-Hartman
2022-01-03 11:12   ` Ingo Molnar
2022-01-03 13:46     ` Greg Kroah-Hartman
2022-01-03 16:29       ` Ingo Molnar
2022-01-10 10:28         ` Peter Zijlstra
2022-01-04 14:10     ` [PATCH] per_task: Remove the PER_TASK_BYTES hard-coded constant Ingo Molnar
2022-01-04 15:14       ` Andy Shevchenko
2022-01-04 23:27         ` Ingo Molnar
2022-01-04 17:51     ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Arnd Bergmann
2022-01-05  0:05       ` Ingo Molnar
2022-01-05  1:37         ` Arnd Bergmann
2022-01-05  9:37       ` Andy Shevchenko [this message]
2022-01-04 14:05   ` [PATCH] per_task: Implement single template to define 'struct task_struct_per_task' fields and offsets Ingo Molnar
2022-01-03 13:54 ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Kirill A. Shutemov
2022-01-04 10:54   ` Ingo Molnar
2022-01-04 13:34     ` Greg Kroah-Hartman
2022-01-04 13:54       ` [PATCH] headers/uninline: Uninline single-use function: kobject_has_children() Ingo Molnar
2022-01-04 15:09         ` Greg Kroah-Hartman
2022-01-04 15:14           ` Greg Kroah-Hartman
2022-01-05  0:11             ` Ingo Molnar
2022-01-05 15:23               ` Greg Kroah-Hartman
2022-01-06 11:26                 ` Ingo Molnar
2022-01-03 17:54 ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Nathan Chancellor
2022-01-04 10:47   ` Ingo Molnar
2022-01-04 10:56     ` [DEBUG PATCH] DO NOT MERGE: Enable SHADOW_CALL_STACK on GCC builds, for build testing Ingo Molnar
2022-01-04 11:02     ` [PATCH] headers/deps: dcache: Move the ____cacheline_aligned attribute to the head of the definition Ingo Molnar
2022-01-04 15:05       ` kernel test robot
2022-01-04 15:05         ` kernel test robot
2022-01-04 17:51       ` Nathan Chancellor
2022-01-05  0:20         ` Ingo Molnar
2022-01-05  0:26           ` [PATCH] headers/deps: Attribute placement fixes for Clang & GCC Ingo Molnar
2022-01-04 11:19     ` [TREE] "Fast Kernel Headers" Tree WIP/development branch Ingo Molnar
2022-01-04 17:25     ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Nick Desaulniers
2022-01-05  0:43       ` Ingo Molnar
2022-01-04 17:50     ` Nathan Chancellor
2022-01-05  0:35       ` [PATCH] x86/kbuild: Enable CONFIG_KALLSYMS_ALL=y in the defconfigs Ingo Molnar
2022-01-08 21:57         ` [tip: x86/build] " tip-bot2 for Ingo Molnar
2022-01-05  0:40       ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Ingo Molnar
2022-01-05  1:07         ` Ingo Molnar
2022-01-05  5:20           ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel'\''s "Dependency Hell Paul Zimmerman
2022-01-05 21:42           ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Nathan Chancellor
2022-01-08 10:32             ` [PATCH] headers/deps: Add header dependencies to .c files: <linux/ptrace_api.h> Ingo Molnar
2022-01-08 11:08             ` [PATCH] FIX: headers/deps: uapi/headers: Create usr/include/uapi symbolic link Ingo Molnar
2022-01-08 11:18             ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Ingo Molnar
2022-01-08 11:38             ` [PATCH] x86/bitops: Remove unused __sw_hweight64() assembly implementation Ingo Molnar
2022-01-08 11:49             ` [PATCH 0000/2297] [ANNOUNCE, RFC] "Fast Kernel Headers" Tree -v1: Eliminate the Linux kernel's "Dependency Hell" Ingo Molnar
2022-01-08 12:17               ` Ingo Molnar
2022-01-10 20:03               ` Nathan Chancellor
2022-01-10 20:05                 ` Nathan Chancellor
2022-01-05 22:33         ` Nathan Chancellor
2022-01-08 15:16       ` Ingo Molnar
2022-01-07  0:29     ` Nathan Chancellor
2022-01-08 11:54       ` Ingo Molnar
2022-01-04 12:36 ` Willy Tarreau
2022-01-04 16:05 ` Andy Shevchenko
2022-01-04 16:18 ` Andy Shevchenko
2022-01-15  0:42 ` Paul E. McKenney

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