On Sun, Oct 13, 2013 at 03:50:20PM +0100, Jiang Liu wrote: > From: Jiang Liu <jiang....@huawei.com> > > This patchset tries to optimize arch specfic jump label implementation > for ARM64 by dynamic kernel text patching. > > To enable this feature, your toolchain must support "asm goto" extension > and "%c" constraint extesion. Current GCC for AARCH64 doesn't support > "%c", so you need a GCC patch similiar to this: > http://gcc.gnu.org/viewcvs/gcc/trunk/gcc/config/arm/arm.c?view=patch&r1=175293&r2=175565&pathrev=175565 > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637
Right, but this is just for the ARM (AArch32) backend afaict. Are there any plans for upstream GCC to support this constraint for AArch64? Will -- 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/