{"id":2227706,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2227706/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260424054742.45832-4-mkchauras@gmail.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.1/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/"},"msgid":"<20260424054742.45832-4-mkchauras@gmail.com>","date":"2026-04-24T05:47:38","name":"[V13,3/7] powerpc/jump_label: adjust inline asm to be consistent","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"2688c65cddac038989da44064f159daa0b2fb495","submitter":{"id":92575,"url":"http://patchwork.ozlabs.org/api/1.1/people/92575/?format=json","name":"Mukesh Kumar Chaurasiya","email":"mkchauras@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260424054742.45832-4-mkchauras@gmail.com/mbox/","series":[{"id":501303,"url":"http://patchwork.ozlabs.org/api/1.1/series/501303/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=501303","date":"2026-04-24T05:47:35","name":"Rust support for powerpc","version":13,"mbox":"http://patchwork.ozlabs.org/series/501303/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227706/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227706/checks/","tags":{},"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=kyLCqN99;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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This is\ninline with 'commit aecaf181651c (\"jump_label: adjust inline asm to be consistent\")'\n\nCo-developed-by: Madhavan Srinivasan \nSigned-off-by: Madhavan Srinivasan \nReviewed-by: Alice Ryhl \nReviewed-by: Christophe Leroy (CS GROUP) \nReviewed-by: Gary Guo \nLink: https://github.com/Rust-for-Linux/linux/issues/105\nLink: https://github.com/linuxppc/issues/issues/451\nSigned-off-by: Mukesh Kumar Chaurasiya (IBM) \n---\n arch/powerpc/include/asm/jump_label.h | 23 +++++++++++++----------\n 1 file changed, 13 insertions(+), 10 deletions(-)","diff":"diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h\nindex d4eaba459a0e..3016e9c8d6bc 100644\n--- a/arch/powerpc/include/asm/jump_label.h\n+++ b/arch/powerpc/include/asm/jump_label.h\n@@ -15,14 +15,20 @@\n #define JUMP_ENTRY_TYPE\t\tstringify_in_c(FTR_ENTRY_LONG)\n #define JUMP_LABEL_NOP_SIZE\t4\n \n+#define JUMP_TABLE_ENTRY(key, label)\t\t\t\\\n+\t\".pushsection __jump_table, \\\"aw\\\"\t\\n\\t\"\t\\\n+\t\".long 1b - ., \" label \" - .\t\t\\n\\t\"\t\\\n+\tJUMP_ENTRY_TYPE key \" - .\t\t\\n\\t\"\t\\\n+\t\".popsection \t\t\t\t\\n\\t\"\n+\n+#define ARCH_STATIC_BRANCH_ASM(key, label)\t\t\\\n+\t\"1:\tnop\t\t\t\t\\n\\t\"\t\\\n+\tJUMP_TABLE_ENTRY(key, label)\n+\n static __always_inline bool arch_static_branch(struct static_key *key, bool branch)\n {\n-\tasm goto(\"1:\\n\\t\"\n-\t\t \"nop # arch_static_branch\\n\\t\"\n-\t\t \".pushsection __jump_table, \\\"aw\\\"\\n\\t\"\n-\t\t \".long 1b - ., %l[l_yes] - .\\n\\t\"\n-\t\t JUMP_ENTRY_TYPE \"%c0 - .\\n\\t\"\n-\t\t \".popsection \\n\\t\"\n+\tasm goto(\n+\t\t ARCH_STATIC_BRANCH_ASM(\"%c0\", \"%l[l_yes]\")\n \t\t : : \"i\" (&((char *)key)[branch]) : : l_yes);\n \n \treturn false;\n@@ -34,10 +40,7 @@ static __always_inline bool arch_static_branch_jump(struct static_key *key, bool\n {\n \tasm goto(\"1:\\n\\t\"\n \t\t \"b %l[l_yes] # arch_static_branch_jump\\n\\t\"\n-\t\t \".pushsection __jump_table, \\\"aw\\\"\\n\\t\"\n-\t\t \".long 1b - ., %l[l_yes] - .\\n\\t\"\n-\t\t JUMP_ENTRY_TYPE \"%c0 - .\\n\\t\"\n-\t\t \".popsection \\n\\t\"\n+\t\t JUMP_TABLE_ENTRY(\"%c0\", \"%l[l_yes]\")\n \t\t : : \"i\" (&((char *)key)[branch]) : : l_yes);\n \n \treturn false;\n","prefixes":["V13","3/7"]}