* SSE register return with SSE disabled
@ 2014-04-18 7:41 lx
2014-05-08 14:41 ` lx
0 siblings, 1 reply; 2+ messages in thread
From: lx @ 2014-04-18 7:41 UTC (permalink / raw)
To: kernelnewbies
hi all:
I'm complie the kernel.I do it by:
##################################
make V=1
##################################
the error messages is:
##################################
(cat /dev/null; ) > fs/sysfs/modules.order
gcc -Wp,-MD,fs/.mbcache.o.d -nostdinc -isystem
/usr/lib/gcc/x86_64-redhat-linux/4.1.2/include
-I/opt/lx/kernel/kernel_test/kernel/linux/arch/x86/include
-Iarch/x86/include/generated -Iinclude
-I/opt/lx/kernel/kernel_test/kernel/linux/arch/x86/include/uapi
-Iarch/x86/include/generated/uapi
-I/opt/lx/kernel/kernel_test/kernel/linux/include/uapi
-Iinclude/generated/uapi -include
/opt/lx/kernel/kernel_test/kernel/linux/include/linux/kconfig.h
-D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs
-fno-strict-aliasing -fno-common -Werror-implicit-function-declaration
-Wno-format-security -fno-delete-null-pointer-checks -Os -m64 -mno-mmx
-mno-sse -mno-80387 -mno-fp-ret-in-387 -mtune=generic -mno-red-zone
-mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args
-DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_FXSAVEQ=1
-DCONFIG_AS_CRC32=1 -pipe -Wno-sign-compare -fno-asynchronous-unwind-tables
-mno-sse -mno-mmx -mno-sse2 -mno-3dnow -fno-stack-protector
-fomit-frame-pointer -g -Wdeclaration-after-statement -Wno-pointer-sign
-D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(mbcache)"
-D"KBUILD_MODNAME=KBUILD_STR(mbcache)" -c -o fs/.tmp_mbcache.o fs/mbcache.c
fs/mbcache.c: In function ?__spin_lock_mb_cache_entry?:
fs/mbcache.c:134: error: SSE register return with SSE disabled
make[1]: *** [fs/mbcache.o] Error 1
make: *** [fs] Error 2
##################################
I know beacause I use the gcc complie optaions of "-mmo-sse", the SSE is
disables.
The branch is:
##################################
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
##################################
How to fix it? Thank you
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* SSE register return with SSE disabled
2014-04-18 7:41 SSE register return with SSE disabled lx
@ 2014-05-08 14:41 ` lx
0 siblings, 0 replies; 2+ messages in thread
From: lx @ 2014-05-08 14:41 UTC (permalink / raw)
To: kernelnewbies
hi all:
This problem is a kernel bug. one patch has fixed it.
From: https://www.mail-archive.com/llvmbugs@cs.uiuc.edu/msg28903.html
? 2014/4/18 15:41, lx ??:
> hi all:
> I'm complie the kernel.I do it by:
> ##################################
> make V=1
> ##################################
>
> the error messages is:
> ##################################
> (cat /dev/null; ) > fs/sysfs/modules.order
> gcc -Wp,-MD,fs/.mbcache.o.d -nostdinc -isystem
> /usr/lib/gcc/x86_64-redhat-linux/4.1.2/include
> -I/opt/lx/kernel/kernel_test/kernel/linux/arch/x86/include
> -Iarch/x86/include/generated -Iinclude
> -I/opt/lx/kernel/kernel_test/kernel/linux/arch/x86/include/uapi
> -Iarch/x86/include/generated/uapi
> -I/opt/lx/kernel/kernel_test/kernel/linux/include/uapi
> -Iinclude/generated/uapi -include
> /opt/lx/kernel/kernel_test/kernel/linux/include/linux/kconfig.h
> -D__KERNEL__ -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs
> -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration
> -Wno-format-security -fno-delete-null-pointer-checks -Os -m64 -mno-mmx
> -mno-sse -mno-80387 -mno-fp-ret-in-387 -mtune=generic -mno-red-zone
> -mcmodel=kernel -funit-at-a-time -maccumulate-outgoing-args
> -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_FXSAVEQ=1
> -DCONFIG_AS_CRC32=1 -pipe -Wno-sign-compare
> -fno-asynchronous-unwind-tables -mno-sse -mno-mmx -mno-sse2 -mno-3dnow
> -fno-stack-protector -fomit-frame-pointer -g
> -Wdeclaration-after-statement -Wno-pointer-sign
> -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(mbcache)"
> -D"KBUILD_MODNAME=KBUILD_STR(mbcache)" -c -o fs/.tmp_mbcache.o
> fs/mbcache.c
> fs/mbcache.c: In function ?__spin_lock_mb_cache_entry?:
> fs/mbcache.c:134: error: SSE register return with SSE disabled
> make[1]: *** [fs/mbcache.o] Error 1
> make: *** [fs] Error 2
> ##################################
>
> I know beacause I use the gcc complie optaions of "-mmo-sse", the SSE
> is disables.
> The branch is:
> ##################################
> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> <http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git>
> ##################################
>
> How to fix it? Thank you
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