From: Sam Ravnborg <sam@ravnborg.org>
To: David Daney <ddaney.cavm@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, Linus Torvalds <torvalds@linux-foundation.org>,
Michal Marek <mmarek@suse.cz>,
linux-kernel@vger.kernel.org, linux-mips@linux-mips.org,
Andrew Morton <akpm@linux-foundation.org>,
David Daney <david.daney@cavium.com>
Subject: Re: [PATCH v1 1/5] scripts: Add sortextable to sort the kernel's exception table.
Date: Fri, 20 Apr 2012 16:59:20 +0200 [thread overview]
Message-ID: <20120420145920.GA2891@merkur.ravnborg.org> (raw)
In-Reply-To: <1334872799-14589-2-git-send-email-ddaney.cavm@gmail.com>
On Thu, Apr 19, 2012 at 02:59:55PM -0700, David Daney wrote:
> From: David Daney <david.daney@cavium.com>
>
> Using this build-time sort saves time booting as we don't have to burn
> cycles sorting the exception table.
>
> Signed-off-by: David Daney <david.daney@cavium.com>
> ---
> scripts/.gitignore | 1 +
> scripts/Makefile | 1 +
> scripts/sortextable.c | 273 +++++++++++++++++++++++++++++++++++++++++++++++++
> scripts/sortextable.h | 168 ++++++++++++++++++++++++++++++
If there is only a single file including the .h file - then there is no gain.
Just fold it into the .c file.
Sam
next prev parent reply other threads:[~2012-04-20 14:59 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-19 21:59 [PATCH v2 0/5] Speed booting by sorting exception tables at build time David Daney
2012-04-19 21:59 ` [PATCH v1 1/5] scripts: Add sortextable to sort the kernel's exception table David Daney
2012-04-20 0:20 ` [tip:x86/extable] scripts: Add sortextable to sort the kernel' s " tip-bot for David Daney
2012-04-20 1:44 ` [PATCH v1 1/5] scripts: Add sortextable to sort the kernel's " H. Peter Anvin
2012-04-20 3:17 ` David Daney
2012-04-20 3:31 ` Linus Torvalds
2012-04-20 3:42 ` H. Peter Anvin
2012-04-20 4:49 ` H. Peter Anvin
2012-04-20 4:54 ` H. Peter Anvin
2012-04-20 21:55 ` [tip:x86/extable] x86, extable: Use .pushsection ... . popsection for _ASM_EXTABLE() tip-bot for H. Peter Anvin
2012-04-20 21:56 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S tip-bot for H. Peter Anvin
2012-04-20 21:57 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/kernel/entry_32.S tip-bot for H. Peter Anvin
2012-04-20 21:58 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/kernel/entry_64.S tip-bot for H. Peter Anvin
2012-04-20 21:58 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/kernel/test_rodata.c tip-bot for H. Peter Anvin
2012-04-20 21:59 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/checksum_32.S tip-bot for H. Peter Anvin
2012-04-20 22:00 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/copy_user_64.S tip-bot for H. Peter Anvin
2012-04-20 22:01 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/ copy_user_nocache_64.S tip-bot for H. Peter Anvin
2012-04-20 22:02 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/csum-copy_64.S tip-bot for H. Peter Anvin
2012-04-20 22:03 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/getuser.S tip-bot for H. Peter Anvin
2012-04-20 22:03 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/putuser.S tip-bot for H. Peter Anvin
2012-04-20 22:04 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/lib/usercopy_32.c tip-bot for H. Peter Anvin
2012-04-20 22:05 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/um/checksum_32.S tip-bot for H. Peter Anvin
2012-04-20 22:06 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/xen/xen-asm_32.S tip-bot for H. Peter Anvin
2012-04-20 22:07 ` [tip:x86/extable] x86, extable: Remove the now-unused __ASM_EX_SEC macros tip-bot for H. Peter Anvin
2012-04-20 22:08 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/include/asm/kvm_host .h tip-bot for H. Peter Anvin
2012-04-20 22:08 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/include/asm/xsave.h tip-bot for H. Peter Anvin
2012-04-21 0:16 ` [tip:x86/extable] x86, extable: Remove open-coded exception table entries in arch/x86/ia32/ia32entry.S tip-bot for H. Peter Anvin
2012-04-21 0:17 ` [tip:x86/extable] x86, extable: Add _ASM_EXTABLE_EX() macro tip-bot for H. Peter Anvin
2012-04-21 1:16 ` [tip:x86/extable] x86, extable: Disable presorted exception table for now tip-bot for H. Peter Anvin
2012-04-21 1:17 ` [tip:x86/extable] x86, extable: Switch to relative exception table entries tip-bot for H. Peter Anvin
2012-04-20 14:59 ` Sam Ravnborg [this message]
2012-04-20 16:49 ` [PATCH v1 1/5] scripts: Add sortextable to sort the kernel's exception table David Daney
2012-04-19 21:59 ` [PATCH v2 2/5] extable: Skip sorting if sorted at build time David Daney
2012-04-20 0:21 ` [tip:x86/extable] " tip-bot for David Daney
2012-04-19 21:59 ` [PATCH v2 3/5] kbuild/extable: Hook up sortextable into the build system David Daney
2012-04-20 0:22 ` [tip:x86/extable] " tip-bot for David Daney
2012-04-20 15:02 ` [PATCH v2 3/5] " Sam Ravnborg
2012-04-19 21:59 ` [PATCH v2 4/5] MIPS: Select BUILDTIME_EXTABLE_SORT David Daney
2012-04-20 0:23 ` [tip:x86/extable] " tip-bot for David Daney
2012-04-19 21:59 ` [PATCH v2 5/5] x86: " David Daney
2012-04-20 0:23 ` [tip:x86/extable] " tip-bot for David Daney
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