From: Anders Gustafsson <andersg@0x63.nu>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Anders Gustafsson <andersg@0x63.nu>,
linux-kernel@vger.kernel.org, lord@sgi.com
Subject: Re: 2.5-bk AT_GID clash
Date: Tue, 12 Nov 2002 23:50:22 +0100 [thread overview]
Message-ID: <20021112225022.GA10689@gagarin> (raw)
In-Reply-To: <20021112172423.91C0C2C2DA@lists.samba.org>
On Wed, Nov 13, 2002 at 04:16:56AM +1100, Rusty Russell wrote:
> > Maybe module.h shouldn't be including elf.h, that afaik is needed by the
> > arch-specific module loaders and not by all modules. A split into
> > module.h for the modules and moduleloader.h for the arch-spec-loaders?
>
> This might be OK too, but in practice I don't think much will be in
> moduleloader.h: asm/module.h only really defines struct
> mod_arch_specific, which is embedded in struct module, and struct
> module needs to be exposed for those inlines...
But there are things in linux/module.h that are arch-generic but not needed
for the modules if i understand it correctly, things that need elf.h:
find_symbol_internal, module_core_alloc, module_init_alloc, apply_relocate,
apply_relocate_add and module_finalize
Something like this patch...
--
Anders Gustafsson - andersg@0x63.nu - http://0x63.nu/
You can import this changeset into BK by piping this whole message to:
'| bk receive [path to repository]' or apply the patch as usual.
===================================================================
ChangeSet@1.858, 2002-11-12 23:44:23+01:00, andersg@0x63.nu
Do not include elf.h into all modules via module.h
include/linux/module.h | 45 --------------------------------------
include/linux/moduleloader.h | 50 +++++++++++++++++++++++++++++++++++++++++++
kernel/module.c | 1
3 files changed, 51 insertions(+), 45 deletions(-)
diff -Nru a/include/linux/module.h b/include/linux/module.h
--- a/include/linux/module.h Tue Nov 12 23:46:58 2002
+++ b/include/linux/module.h Tue Nov 12 23:46:58 2002
@@ -10,7 +10,6 @@
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/list.h>
-#include <linux/elf.h>
#include <linux/stat.h>
#include <linux/compiler.h>
#include <linux/cache.h>
@@ -143,50 +142,6 @@
keeping pointers to this stuff */
char args[0];
};
-
-/* Helper function for arch-specific module loaders */
-unsigned long find_symbol_internal(Elf_Shdr *sechdrs,
- unsigned int symindex,
- const char *strtab,
- const char *name,
- struct module *mod,
- struct kernel_symbol_group **group);
-
-/* These must be implemented by the specific architecture */
-
-/* vmalloc AND zero for the non-releasable code; return ERR_PTR() on error. */
-void *module_core_alloc(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- const char *secstrings,
- struct module *mod);
-
-/* vmalloc and zero (if any) for sections to be freed after init.
- Return ERR_PTR() on error. */
-void *module_init_alloc(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- const char *secstrings,
- struct module *mod);
-
-/* Apply the given relocation to the (simplified) ELF. Return -error
- or 0. */
-int apply_relocate(Elf_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *mod);
-
-/* Apply the given add relocation to the (simplified) ELF. Return
- -error or 0 */
-int apply_relocate_add(Elf_Shdr *sechdrs,
- const char *strtab,
- unsigned int symindex,
- unsigned int relsec,
- struct module *mod);
-
-/* Any final processing of module before access. Return -error or 0. */
-int module_finalize(const Elf_Ehdr *hdr,
- const Elf_Shdr *sechdrs,
- struct module *mod);
/* Free memory returned from module_core_alloc/module_init_alloc */
void module_free(struct module *mod, void *module_region);
diff -Nru a/include/linux/moduleloader.h b/include/linux/moduleloader.h
--- /dev/null Wed Dec 31 16:00:00 1969
+++ b/include/linux/moduleloader.h Tue Nov 12 23:46:58 2002
@@ -0,0 +1,50 @@
+#ifndef _LINUX_MODULELOADER_H
+#define _LINUX_MODULELOADER_H
+
+#include <linux/elf.h>
+
+/* Helper function for arch-specific module loaders */
+unsigned long find_symbol_internal(Elf_Shdr *sechdrs,
+ unsigned int symindex,
+ const char *strtab,
+ const char *name,
+ struct module *mod,
+ struct kernel_symbol_group **group);
+
+/* These must be implemented by the specific architecture */
+
+/* vmalloc AND zero for the non-releasable code; return ERR_PTR() on error. */
+void *module_core_alloc(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs,
+ const char *secstrings,
+ struct module *mod);
+
+/* vmalloc and zero (if any) for sections to be freed after init.
+ Return ERR_PTR() on error. */
+void *module_init_alloc(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs,
+ const char *secstrings,
+ struct module *mod);
+
+/* Apply the given relocation to the (simplified) ELF. Return -error
+ or 0. */
+int apply_relocate(Elf_Shdr *sechdrs,
+ const char *strtab,
+ unsigned int symindex,
+ unsigned int relsec,
+ struct module *mod);
+
+/* Apply the given add relocation to the (simplified) ELF. Return
+ -error or 0 */
+int apply_relocate_add(Elf_Shdr *sechdrs,
+ const char *strtab,
+ unsigned int symindex,
+ unsigned int relsec,
+ struct module *mod);
+
+/* Any final processing of module before access. Return -error or 0. */
+int module_finalize(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs,
+ struct module *mod);
+
+#endif
diff -Nru a/kernel/module.c b/kernel/module.c
--- a/kernel/module.c Tue Nov 12 23:46:58 2002
+++ b/kernel/module.c Tue Nov 12 23:46:58 2002
@@ -17,6 +17,7 @@
*/
#include <linux/config.h>
#include <linux/module.h>
+#include <linux/moduleloader.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
===================================================================
This BitKeeper patch contains the following changesets:
1.858
## Wrapped with gzip_uu ##
begin 664 bkpatch19251
M'XL(`.*$T3T``\U8;4_;2!#^C'_%2'P!>DEV_9:7'E5ID[X(CE9I.56Z.T6;
M]3BVZNQ&MD.A\H^_\=J$PR$AI<?I'!1CSXOG>69F=YQ]N,@P'>P)%6":S:Q]
M>*>S?+#'KGRGK99T/=::KCN1GF.GUNI\Q51ATIE^[4P3_<TBK8\BEQ%<DG2P
MQ]O.ZDY^O<#!WGCT]N+L9&Q9Q\?P.A)JAI\PA^-C*]?II4B"[*7(HT2K=IX*
ME<TQ%VVIY\5*M;`9L^GC\:[#/+_@/G.[A>0!Y\+E&##;[?FN58?WL@Z^8<\Y
MIY/'."M<MVL[UA!XN^?U@-D=SCO<!ML9N.[`=IXQ/F`,&N[@F0,M9KV"?S?H
MUY:$H0:E<XB53)8!`B9A.Z*K7(-($ICK8)E@!I>QJ/]O1]8I>$ZWYU@?;PFU
M6C]X6!83S'K1!%K4<7226"VO.M4C$RU(J1VMJ+1MU^6$RNUSM_`92KLOA=WW
MO2#LXT^X[!9>U_:[%-9VGN_S6/NJ2>^[K+"[S.\7KM_W^NC[#O?8U`GY3N$U
M`_,*S^UUV8.!U<U1.Y%W(G+ZA6?;GD.N?,^6GG!\QJ:]GK,6T7U>_DD[`6.F
MG[8Q6[;8.7Z#,$YPL%73^AU<:ZV!?KX03).Q9HMQ?U.+L:=H,0FOXOP4<8&I
MH0*VK6:=K32=@L%);;=5;0QK1'P!=M6S^2.:]*G2PG=/B_<D>7EMO0%>KF2F
MX3]`*_UF_@CT`_S^.(GO&7C,VH]#@A;"Y.S]^<67R6\?AA=GH[,/)\/1>/+.
MVB=1K'"#]$^RKA?H7ZN@S#K]@@2=(WB'B2FOI9)YK!6$.@61RJB5+5#&82SK
MI1LJ#!D<=:RERN*9PH#NJ1E5I@HFV?5\JI,)K?U4E"(Y&"7AY%,4I'"4H:1S
M]HNU1P<`K(Q)%\B,K/%J)95:93G(2)26>9J+Z;TB)>:X$I#>4N8W<1[1N2FJ
M.N4FR%FJEPLX.C+GP^<5#Y\CS!#F2WK$%"&>+Q*<(Z$)8'H->82PXJ-D)\Y1
MYLL42S:,^>6<=CPMX>1\"-\QU8;'TDQIU4HQ09&)*44G=8#/(44R5C`:CR<?
M/X\/#H&(QS35:;MT>*GCP,`@.!.I4YP8WP<5`26S(\,L?1F@M_?7&;_#)TKB
M(U:S2K1.VPT7-V"HG2HP!W%(%]>'!A6Y*2LEHZ8JJ0I3)))$2(FGE,9YVR+>
MQ[L#+&W^:X`GBT5297467Z*B?-#CA:E_`E7>/\C*$J!\8W`(H[,W[16FEL%1
M@B0NF,%35K(H74YJ1WA__6^L[VUMT931(\AE+=D=H@B"'X%9XJN0&ICWHYR0
MTXU(81M:>`#QFOP.:MB.7%V7:Y)(8)%JB5E&!0$ZO%&=(A4Q#7JR%#73>C>G
M=84:9_%WW%2?MT@W<K$AVGU401QN'(>J0>CIQLE;U^5<L;MC7AX]YGENX7+'
M]LRN;*]OR]Z6:<GU_D=O)&8^WF$??]0./N0.30M#[OK@NB;7C1GYX20_:C2W
M4MK,KE^6W[2)+$I';;'\X^9)?VT:U3GO,DINP?I=NUL-7/[N$Q=_JG?-$UK`
M&F\)(@-1#2LS5)BN9I56I0$1&L5R^#6O'8T,-_`_9CCC?4IM<[RZ&^6+VY\9
89(3R:[:<'T^=/F>N[%I_`[O-$U_'$```
`
end
next prev parent reply other threads:[~2002-11-12 22:43 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-12 1:18 2.5-bk AT_GID clash Anders Gustafsson
2002-11-12 17:16 ` Rusty Russell
2002-11-12 17:33 ` Steve Lord
2002-11-12 18:07 ` Rusty Russell
2002-11-13 7:34 ` Nathan Scott
2002-11-13 11:17 ` linux/elf.h vs linux/module.h [was: 2.5-bk AT_GID clash] Anders Gustafsson
2002-11-14 1:53 ` Rusty Russell
2002-11-13 22:37 ` 2.5-bk AT_GID clash Paul Mackerras
2002-11-12 18:07 ` Christoph Hellwig
2002-11-12 22:50 ` Anders Gustafsson [this message]
2002-11-14 6:44 ` Rusty Russell
2002-11-14 13:26 ` Anders Gustafsson
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=20021112225022.GA10689@gagarin \
--to=andersg@0x63.nu \
--cc=linux-kernel@vger.kernel.org \
--cc=lord@sgi.com \
--cc=rusty@rustcorp.com.au \
/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.