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Groups > linux.kernel > #1604481

[PATCH v2 08/10] x86: entry, annotate THUNKs

From Jiri Slaby <jslaby@suse.cz>
Newsgroups linux.kernel
Subject [PATCH v2 08/10] x86: entry, annotate THUNKs
Date 2017-03-20 13:40 +0100
Message-ID <tn4Lo-4J7-29@gated-at.bofh.it> (permalink)
References <tlyNB-3TH-33@gated-at.bofh.it> <tn4Ln-4J7-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Place SYM_FUNC_START and SYM_FUNC_END around the THUNK macro body, given
it generates functions.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <x86@kernel.org>
---
 arch/x86/entry/thunk_64.S | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/thunk_64.S b/arch/x86/entry/thunk_64.S
index be36bf4e0957..38b76f5b097d 100644
--- a/arch/x86/entry/thunk_64.S
+++ b/arch/x86/entry/thunk_64.S
@@ -12,9 +12,7 @@
 
 	/* rdi:	arg1 ... normal C conventions. rax is saved/restored. */
 	.macro THUNK name, func, put_ret_addr_in_rdi=0
-	.globl \name
-	.type \name, @function
-\name:
+SYM_FUNC_START(\name)
 	pushq %rbp
 	movq %rsp, %rbp
 
@@ -36,6 +34,7 @@
 	call \func
 	jmp  .L_restore
 	_ASM_NOKPROBE(\name)
+SYM_FUNC_END(\name)
 	.endm
 
 #ifdef CONFIG_TRACE_IRQFLAGS
-- 
2.12.0

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Thread

Re: [RFC] linkage: new macros for functions and data Ingo Molnar <mingo@kernel.org> - 2017-03-16 09:10 +0100
  Re: [RFC] linkage: new macros for functions and data Jiri Slaby <jslaby@suse.cz> - 2017-03-16 09:20 +0100
    [PATCH v2 07/10] x86: assembly, annotate aliases Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 04/10] x86: boot, annotate functions properly Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 09/10] x86: entry, annotate interrupt symbols properly Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 03/10] x86: assembly, use SYM_FUNC_END for functions Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
      Re: [PATCH v2 03/10] x86: assembly, use SYM_FUNC_END for functions Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-21 15:50 +0100
        Re: [PATCH v2 03/10] x86: assembly, use SYM_FUNC_END for functions Ingo Molnar <mingo@kernel.org> - 2017-03-22 08:40 +0100
      Re: [PATCH v2 03/10] x86: assembly, use SYM_FUNC_END for functions Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-22 15:30 +0100
        Re: [PATCH v2 03/10] x86: assembly, use SYM_FUNC_END for functions Jiri Slaby <jslaby@suse.cz> - 2017-03-22 17:00 +0100
    [PATCH v2 05/10] x86: kernel+lib, annotate local functions Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 08/10] x86: entry, annotate THUNKs Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 06/10] x86: crypto, annotate local functions Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START for data Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
      Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-20 14:40 +0100
        Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START for  data Jiri Slaby <jslaby@suse.cz> - 2017-03-20 16:50 +0100
          Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-20 17:10 +0100
      Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Pavel Machek <pavel@ucw.cz> - 2017-03-21 15:20 +0100
        Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Ingo Molnar <mingo@kernel.org> - 2017-03-22 08:30 +0100
          Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START for  data Jiri Slaby <jslaby@suse.cz> - 2017-03-22 08:50 +0100
            Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Ingo Molnar <mingo@kernel.org> - 2017-03-22 08:50 +0100
              Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-22 15:20 +0100
                Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START for  data Jiri Slaby <jslaby@suse.cz> - 2017-03-22 16:10 +0100
                Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-22 16:40 +0100
                Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Ingo Molnar <mingo@kernel.org> - 2017-03-23 08:40 +0100
                Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Josh Poimboeuf <jpoimboe@redhat.com> - 2017-03-23 14:30 +0100
        Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START for  data Jiri Slaby <jslaby@suse.cz> - 2017-03-22 13:10 +0100
          Re: [PATCH v2 02/10] x86: assembly, FUNC_START for fn, DATA_START  for data Pavel Machek <pavel@ucw.cz> - 2017-03-22 17:00 +0100
    [RFC v2 10/10] x86: boot, extract efi_pe_entry from startup_64 Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100
    [PATCH v2 01/10] linkage: new macros for assembler symbols Jiri Slaby <jslaby@suse.cz> - 2017-03-20 13:40 +0100

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