All of lore.kernel.org
 help / color / mirror / Atom feed
From: Vegard Nossum <vegard.nossum@oracle.com>
To: linux-kernel@vger.kernel.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Luis R . Rodriguez" <mcgrof@kernel.org>,
	Vegard Nossum <vegard.nossum@oracle.com>,
	Jason Baron <jbaron@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>
Subject: [PATCH 11/12] jump_label: declare jump table as external array
Date: Sun, 16 Oct 2016 17:16:15 +0200	[thread overview]
Message-ID: <20161016151616.31451-12-vegard.nossum@oracle.com> (raw)
In-Reply-To: <20161016151616.31451-1-vegard.nossum@oracle.com>

Cc: Jason Baron <jbaron@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
---
 include/linux/jump_label.h |  4 ++--
 kernel/jump_label.c        | 10 +++++-----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index a0547c5..7ba9918 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -76,6 +76,7 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/extarray.h>
 #include <linux/types.h>
 #include <linux/compiler.h>
 
@@ -132,8 +133,7 @@ static __always_inline bool static_key_true(struct static_key *key)
 	return !arch_static_branch(key, true);
 }
 
-extern struct jump_entry __start___jump_table[];
-extern struct jump_entry __stop___jump_table[];
+DECLARE_EXTARRAY(struct jump_entry, __jump_table);
 
 extern void jump_label_init(void);
 extern void jump_label_lock(void);
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index 93ad6c1..bf14906 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -274,8 +274,8 @@ static void __jump_label_update(struct static_key *key,
 
 void __init jump_label_init(void)
 {
-	struct jump_entry *iter_start = __start___jump_table;
-	struct jump_entry *iter_stop = __stop___jump_table;
+	struct jump_entry *iter_start = ext_start(__jump_table);
+	struct jump_entry *iter_stop = ext_end(__jump_table);
 	struct static_key *key = NULL;
 	struct jump_entry *iter;
 
@@ -539,8 +539,8 @@ early_initcall(jump_label_init_module);
  */
 int jump_label_text_reserved(void *start, void *end)
 {
-	int ret = __jump_label_text_reserved(__start___jump_table,
-			__stop___jump_table, start, end);
+	int ret = __jump_label_text_reserved(ext_start(__jump_table),
+			ext_end(__jump_table), start, end);
 
 	if (ret)
 		return ret;
@@ -553,7 +553,7 @@ int jump_label_text_reserved(void *start, void *end)
 
 static void jump_label_update(struct static_key *key)
 {
-	struct jump_entry *stop = __stop___jump_table;
+	struct jump_entry *stop = ext_end(__jump_table);
 	struct jump_entry *entry = static_key_entries(key);
 #ifdef CONFIG_MODULES
 	struct module *mod;
-- 
2.10.0.479.g221bd91

  parent reply	other threads:[~2016-10-16 15:19 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-16 15:16 [PATCH 00/12] external array access helpers Vegard Nossum
2016-10-16 15:16 ` [PATCH 01/12] extarray: define helpers for arrays defined in linker scripts Vegard Nossum
2016-10-17  7:04   ` Greg Kroah-Hartman
2016-10-17  8:33   ` Peter Zijlstra
2016-10-17  9:01     ` Jiri Slaby
2016-10-17  9:09       ` Peter Zijlstra
2016-10-17 11:27         ` Vegard Nossum
2016-10-17 11:45           ` Peter Zijlstra
2016-10-18  8:08             ` Vegard Nossum
2016-10-18 21:18               ` Luis R. Rodriguez
2016-10-19  8:18                 ` Richard Biener
2016-10-19  9:13                   ` Peter Zijlstra
2016-10-19  9:33                     ` Richard Biener
2016-10-19 10:25                       ` Peter Zijlstra
2016-10-19 11:11                         ` Richard Biener
2016-10-19 11:31                           ` Peter Zijlstra
2016-11-02 12:11                         ` Markus Trippelsdorf
2016-11-02 12:14                           ` Richard Biener
2016-11-02 15:02                             ` Linus Torvalds
2016-10-19  7:16             ` Jiri Slaby
2016-10-16 15:16 ` [PATCH 02/12] firmware: declare {__start,__end}_builtin_fw as external array Vegard Nossum
2016-10-16 15:16 ` [PATCH 03/12] ftrace: declare __{start,stop}_mcount_loc " Vegard Nossum
2016-10-16 15:16 ` [PATCH 04/12] tracing: declare __{start,stop}_{annotated_,}branch_profile " Vegard Nossum
2016-10-16 15:16 ` [PATCH 05/12] kprobes: declare __{start,stop}_kprobe_blacklist " Vegard Nossum
2016-10-17  5:53   ` Masami Hiramatsu
2016-10-16 15:16 ` [PATCH 06/12] tracing: declare __{start,stop}_ftrace_events " Vegard Nossum
2016-10-16 15:16 ` [PATCH 07/12] tracing: declare __{start,stop}_ftrace_enum_maps " Vegard Nossum
2016-10-16 15:16 ` [PATCH 08/12] tracing: declare __trace_bprintk_fmt/__tracepoint_str as external arrays Vegard Nossum
2016-10-16 15:16 ` [PATCH 09/12] tracing: declare __{start,stop}_syscalls_metadata as external array Vegard Nossum
2016-10-16 15:16 ` [PATCH 10/12] serial_core: declare __earlycon_table{,_end} " Vegard Nossum
2016-10-16 15:16 ` Vegard Nossum [this message]
2016-10-16 16:25   ` [PATCH 11/12] jump_label: declare jump table " Peter Zijlstra
2016-10-16 16:50     ` Vegard Nossum
2016-10-16 17:44       ` Peter Zijlstra
2016-10-17 21:33       ` Steven Rostedt
2016-10-16 15:16 ` [PATCH 12/12] dynamic debug: declare " Vegard Nossum
2016-10-16 16:14 ` [PATCH 00/12] external array access helpers Greg Kroah-Hartman
2016-10-16 17:05   ` Vegard Nossum
2016-10-17  7:02     ` Greg Kroah-Hartman
2016-10-17  6:26   ` Jiri Slaby

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20161016151616.31451-12-vegard.nossum@oracle.com \
    --to=vegard.nossum@oracle.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=jbaron@redhat.com \
    --cc=jslaby@suse.cz \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mcgrof@kernel.org \
    --cc=peterz@infradead.org \
    --cc=rostedt@goodmis.org \
    --cc=torvalds@linux-foundation.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.