From: Andrew Morton <akpm@osdl.org>
To: Matt Mackall <mpm@selenic.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH 8/15] misc: Make vm86 support optional
Date: Fri, 11 Nov 2005 21:55:56 -0800 [thread overview]
Message-ID: <20051111215556.2333c523.akpm@osdl.org> (raw)
In-Reply-To: <9.282480653@selenic.com>
Matt Mackall <mpm@selenic.com> wrote:
>
> Make vm86 support optional
>
> add/remove: 0/14 grow/shrink: 0/5 up/down: 0/-5221 (-5221)
> function old new delta
> do_simd_coprocessor_error 133 132 -1
> irqbits 4 - -4
> irqbits_lock 8 - -8
> release_thread 72 52 -20
> do_debug 212 186 -26
> do_general_protection 475 428 -47
> do_trap 196 140 -56
> release_vm86_irqs 112 - -112
> vm86_irqs 128 - -128
> sys_vm86old 146 - -146
> irq_handler 151 - -151
> mark_screen_rdonly 159 - -159
> sys_vm86 199 - -199
> handle_vm86_trap 231 - -231
> save_v86_state 339 - -339
> do_sys_vm86 379 - -379
> do_vm86_irq_handling 482 - -482
> do_int 508 - -508
> handle_vm86_fault 2225 - -2225
bix:/usr/src/25> grep '#ifdef' patches/tiny-make-vm86-support-optional.patch
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
+#ifdef CONFIG_VM86
This one has a rather low bytes-to-ifdefs ratio.
I bet you can get most of these benefits by stubbing out handle_vm86_*()
and friends and perhaps setting VM_MASK to zero.
next prev parent reply other threads:[~2005-11-12 5:56 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-11 8:35 [PATCH 0/15] misc: Miscellaneous bits from -tiny Matt Mackall
2005-11-11 8:35 ` [PATCH 1/15] misc: Add bloat-o-meter to scripts Matt Mackall
2005-11-11 8:35 ` [PATCH 2/15] misc: Uninline some namei.c functions Matt Mackall
2005-11-11 8:35 ` [PATCH 3/15] misc: Uninline some open.c functions Matt Mackall
2005-11-11 8:35 ` [PATCH 4/15] misc: Uninline some inode.c functions Matt Mackall
2005-11-11 8:35 ` [PATCH 5/15] misc: Uninline some fslocks.c functions Matt Mackall
2005-11-11 8:35 ` [PATCH 6/15] misc: Trim non-IPX builds Matt Mackall
2005-11-11 8:35 ` [PATCH 7/15] misc: Make x86 doublefault handling optional Matt Mackall
2005-11-11 8:35 ` [PATCH 8/15] misc: Make vm86 support optional Matt Mackall
2005-11-11 8:35 ` [PATCH 9/15] misc: Make sysenter " Matt Mackall
2005-11-11 8:35 ` [PATCH 10/15] misc: Make *[ug]id16 " Matt Mackall
2005-11-11 8:35 ` [PATCH 11/15] misc: Allow dropping panic text strings from kernel image Matt Mackall
2005-11-11 8:35 ` [PATCH 12/15] misc: Configurable panic support Matt Mackall
2005-11-11 8:35 ` [PATCH 13/15] misc: Configure ELF core dump support Matt Mackall
2005-11-11 8:35 ` [PATCH 14/15] misc: Configurable number of supported IDE interfaces Matt Mackall
2005-11-11 8:35 ` [PATCH 15/15] misc: Configurable support for PCI serial ports Matt Mackall
2005-11-11 11:03 ` Geert Uytterhoeven
2006-01-07 16:50 ` Russell King
2006-01-08 2:26 ` Matt Mackall
2005-11-11 10:14 ` [PATCH 14/15] misc: Configurable number of supported IDE interfaces Bartlomiej Zolnierkiewicz
2005-11-11 17:18 ` Matt Mackall
2005-11-11 17:34 ` Roman Zippel
2005-11-11 17:37 ` Matt Mackall
2005-11-11 17:47 ` Matt Mackall
2005-11-11 17:49 ` Roman Zippel
2005-11-11 11:03 ` [PATCH 11/15] misc: Allow dropping panic text strings from kernel image Geert Uytterhoeven
2005-11-11 17:21 ` Matt Mackall
2005-11-12 6:06 ` Andrew Morton
2005-11-11 10:22 ` [PATCH 10/15] misc: Make *[ug]id16 support optional Geert Uytterhoeven
2005-11-16 13:21 ` Rob Landley
2005-11-16 18:01 ` Matt Mackall
2005-12-20 15:46 ` Zdenek Pavlas
2005-12-20 16:50 ` Rob Landley
2005-12-21 17:30 ` Zdenek Pavlas
2005-11-12 5:57 ` [PATCH 9/15] misc: Make sysenter " Andrew Morton
2005-11-12 5:55 ` Andrew Morton [this message]
2005-11-13 3:30 ` [PATCH 7/15] misc: Make x86 doublefault handling optional Andi Kleen
2005-11-16 13:13 ` Rob Landley
2005-11-16 18:21 ` Matt Mackall
2005-11-16 19:21 ` Scott Garfinkle
2005-11-16 19:45 ` Adrian Bunk
2005-12-12 10:36 ` Ingo Molnar
2005-12-12 16:22 ` Andi Kleen
2005-12-12 15:32 ` Matt Mackall
2005-12-13 8:39 ` Ingo Molnar
2005-11-14 1:57 ` [PATCH 6/15] misc: Trim non-IPX builds Adrian Bunk
2005-11-18 5:22 ` [2.6 patch] move some code to net/ipx/af_ipx.c Adrian Bunk
2005-11-18 17:27 ` Matt Mackall
2005-11-18 20:24 ` Arnaldo Carvalho de Melo
2005-12-05 21:35 ` Adrian Bunk
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