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Hans de Goede e0e9263271 [PATCH] PATCH: 1 line 2.6.18 bugfix: modpost-64bit-fix.patch ... There is a small but annoying bug in scripts/mod/file2alias.c which causes it to generate invalid aliases for input devices on 64 bit archs. This causes joydev.ko to not be automaticly loaded when inserting a joystick, resulting in a non working joystick (for the average user). In scripts/mod/file2alias.c is the following code for generating the input aliases: static void do_input(char *alias, kernel_ulong_t *arr, unsigned int min, unsigned int max) { unsigned int i; for (i = min; i < max; i++) if (arr[i / BITS_PER_LONG] & (1 << (i%BITS_PER_LONG))) sprintf(alias + strlen(alias), "%X,*", i); } On 32 bits systems, this correctly generates "0,*" for the first alias, "8,*" for the second etc. However on 64 bits it generates: "0,*20,*" resp "8,*28,*" Notice how it adds 20 + first entry (hex) ! to the list of hex codes, which is 32 more then the first entry, thus is because the bit test above wraps at 32 bits instead of 64. scripts/mod/file2alias.c, line 379 reads: if (arr[i / BITS_PER_LONG] & (1 << (i%BITS_PER_LONG))) That should be: if (arr[i / BITS_PER_LONG] & (1L << (i%BITS_PER_LONG))) Notice the added 'L' after the 1, otherwise that is an 32 bit int instead of a 64 bit long, and when that int gets shifted >= 32 times, appearantly the number by which to shift is wrapped at 5 bits ( % 32) causing it to test a bit 32 bits too low. The patch below makes the nescesarry 1 char change :) Signed-off-by: Hans de Goede <j.w.r.degoede@hhs.nl> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		19 years ago
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basic	…
genksyms	…
kconfig	kconfig: correct oldconfig for unset choice options	19 years ago
ksymoops	…
mod	[PATCH] PATCH: 1 line 2.6.18 bugfix: modpost-64bit-fix.patch	19 years ago
package	…
rt-tester	[PATCH] rtmutex: Modify rtmutex-tester to test the setscheduler propagation	19 years ago
.gitignore	…
Kbuild.include	kbuild: always use $(CC) for $(call cc-version)	19 years ago
Lindent	…
Makefile	…
Makefile.build	kbuild: fix ia64 breakage after introducing make -rR	19 years ago
Makefile.clean	…
Makefile.headersinst	…
Makefile.host	kbuild: fix ia64 breakage after introducing make -rR	19 years ago
Makefile.lib	kbuild: fix ia64 breakage after introducing make -rR	19 years ago
Makefile.modinst	…
Makefile.modpost	kbuild: fix typo in modpost	19 years ago
bin2c.c	…
binoffset.c	…
bloat-o-meter	…
checkincludes.pl	…
checkstack.pl	…
checkversion.pl	kbuild: introduce utsrelease.h	19 years ago
conmakehash.c	…
export_report.pl	…
extract-ikconfig	…
gcc-version.sh	…
gen_initramfs_list.sh	…
hdrcheck.sh	…
kallsyms.c	…
kernel-doc	[PATCH] kernel-doc: ignore __devinit	19 years ago
makelst	…
mkcompile_h	…
mkmakefile	…
mksysmap	…
mkuboot.sh	…
mkversion	…
namespace.pl	…
patch-kernel	…
pnmtologo.c	…
profile2linkerlist.pl	…
setlocalversion	…
show_delta	…
ver_linux	…