On Fri, Jul 31, 2015 at 03:41:37PM +0800, yalin wang wrote: > This change a little arch_static_branch(), use b . + 4 for false > return, why? According to aarch64 TRM, if both source and dest > instr are branch instr, can patch the instr directly, don't need > all cpu to do ISB for sync, this means we can call > aarch64_insn_patch_text_nosync() during patch_text(), > will improve the performance when change a static_key.
This doesn't parse.. What? Also, this conflicts with the jump label patches I've got. -- 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/
