[PATCH v3 21/21] powerpc/jump_label: Annotate jump label assembly
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2016-07-27 14:18:58
Subsystem:
linux for powerpc (32-bit and 64-bit), static branch/call, the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Peter Zijlstra, Josh Poimboeuf, Jason Baron, Alice Ryhl, Linus Torvalds
Add a comment to the generated assembler for jump labels. This makes it easier to identify them in asm listings (generated with $ make foo.s). Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> --- arch/powerpc/include/asm/jump_label.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) v3: New.
diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h
index 47e155f15433..9878cac7b47c 100644
--- a/arch/powerpc/include/asm/jump_label.h
+++ b/arch/powerpc/include/asm/jump_label.h@@ -21,7 +21,7 @@ static __always_inline bool arch_static_branch(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" - "nop\n\t" + "nop # arch_static_branch\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" ".popsection \n\t"
@@ -35,7 +35,7 @@ l_yes: static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch) { asm_volatile_goto("1:\n\t" - "b %l[l_yes]\n\t" + "b %l[l_yes] # arch_static_branch_jump\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" ".popsection \n\t"
--
2.7.4