Am Donnerstag, den 27.02.2014, 16:18 -0800 schrieb Andy Lutomirski: > There's no reason for the vDSO to use a special function call ABI. Use > the platform defaults. >
The only reason was performance. What is good for the kernel should be also good for the VDSO. Now all functions inside the VDSO will pass the arguments by stack. > Signed-off-by: Andy Lutomirski <l...@amacapital.net> > --- > arch/x86/vdso/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile > index 92daaa6..80584f5 100644 > --- a/arch/x86/vdso/Makefile > +++ b/arch/x86/vdso/Makefile > @@ -149,7 +149,7 @@ KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS)) > KBUILD_CFLAGS_32 := $(filter-out -mcmodel=kernel,$(KBUILD_CFLAGS_32)) > KBUILD_CFLAGS_32 := $(filter-out -fno-pic,$(KBUILD_CFLAGS_32)) > KBUILD_CFLAGS_32 := $(filter-out -mfentry,$(KBUILD_CFLAGS_32)) > -KBUILD_CFLAGS_32 += -m32 -msoft-float -mregparm=3 -freg-struct-return -fpic > +KBUILD_CFLAGS_32 += -m32 -msoft-float -mregparm=0 -fpic > $(vdso32-images:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32) > > $(vdso32-images:%=$(obj)/%.dbg): $(obj)/vdso32-%.so.dbg: FORCE \ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
