AuxXxilium/linux_dsm_epyc7002
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f48b8296b3
linux_dsm_epyc7002/arch
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Olaf Hering f48b8296b3 [PATCH] powerpc32: Set cpu explicitly in kernel compiles 
Compile the 32bit kernel with -mcpu=powerpc. This reduces the imagesize
when a compiler is used that defaults to -mtune=power4. It inserts lots
of nops to please the 64bit cpu instruction scheduling. But all these nops
are not needed for 32bit kernels.

Example with SLES10 gcc 4.1.0 and arch/powerpc/configs/pmac32_defconfig:

                    vmlinux  vmlinux.strip  vmlinux.gz
 -O2                4980515     4187528      1846829
 -Os                4618801     3827084      1673333
 -O2 -mcpu=powerpc  4738851     3945868      1816253
 -Os -mcpu=powerpc  4532785     3741068      1664688

Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-04-13 09:38:33 -07:00
..
alpha Manual merge with Linus. 2006-04-02 00:08:05 -05:00
arm Merge master.kernel.org:/home/rmk/linux-2.6-arm 2006-04-02 13:34:00 -07:00
arm26 [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00
cris [PATCH] unify PFN_* macros 2006-03-27 08:44:48 -08:00
frv [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00
h8300 [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00
i386 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-04-02 12:58:45 -07:00
ia64 [IA64] Avoid "u64 foo : 32;" for gcc3 vs. gcc4 compatibility 2006-03-31 10:28:29 -08:00
m32r [PATCH] unify PFN_* macros 2006-03-27 08:44:48 -08:00
m68k [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00
m68knommu [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00
mips Manual merge with Linus. 2006-04-02 00:08:05 -05:00
parisc [PARISC] Enabled some NLS modules in a500, b180 and c3000 defconfigs 2006-03-30 17:48:58 +00:00
powerpc [PATCH] powerpc32: Set cpu explicitly in kernel compiles 2006-04-13 09:38:33 -07:00
ppc [PATCH] ppc32: Fix string comparing in platform_notify_map 2006-04-13 09:30:19 -07:00
s390 [PATCH] for_each_possible_cpu: s390 2006-03-31 12:18:52 -08:00
sh [PATCH] Don't pass boot parameters to argv_init[] 2006-03-31 12:18:53 -08:00
sh64 [PATCH] RTC: Remove some duplicate BCD definitions 2006-03-28 09:16:01 -08:00
sparc [SPARC]: Wire up sys_sync_file_range() into syscall tables. 2006-03-31 23:49:34 -08:00
sparc64 [SPARC]: Wire up sys_sync_file_range() into syscall tables. 2006-03-31 23:49:34 -08:00
um [PATCH] uml: check for differences in host support 2006-03-31 12:18:52 -08:00
v850 [PATCH] bitops: v850: use generic bitops 2006-03-26 08:57:14 -08:00
x86_64 [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00
xtensa [PATCH] unexport get_wchan 2006-03-31 12:19:01 -08:00