[RFC: 2.6 patch] unexport get_wchan

From: Adrian Bunk (bunk_at_stusta.de)
Date: 01/31/05

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Date:	Mon, 31 Jan 2005 14:36:17 +0100
To: linux-kernel@vger.kernel.org

The only user of get_wchan I was able to find is the proc fs - and proc
can't be built modular.

Is the patch below to remove the export of get_wchan correct or did I
oversee something?

---
 arch/alpha/kernel/alpha_ksyms.c    |    2 --
 arch/arm/kernel/process.c          |    1 -
 arch/arm26/kernel/armksyms.c       |    2 --
 arch/frv/kernel/frv_ksyms.c        |    2 --
 arch/h8300/kernel/h8300_ksyms.c    |    2 --
 arch/i386/kernel/i386_ksyms.c      |    2 --
 arch/m68k/kernel/m68k_ksyms.c      |    1 -
 arch/m68knommu/kernel/m68k_ksyms.c |    2 --
 arch/mips/kernel/process.c         |    1 -
 arch/ppc/kernel/ppc_ksyms.c        |    1 -
 arch/ppc64/kernel/ppc_ksyms.c      |    1 -
 arch/x86_64/kernel/x8664_ksyms.c   |    2 --
 12 files changed, 19 deletions(-)
--- linux-2.6.11-rc2-mm2-full/arch/i386/kernel/i386_ksyms.c.old	2005-01-31 14:15:27.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/i386/kernel/i386_ksyms.c	2005-01-31 14:15:37.000000000 +0100
@@ -159,8 +159,6 @@
 EXPORT_SYMBOL(screen_info);
 #endif
 
-EXPORT_SYMBOL(get_wchan);
-
 EXPORT_SYMBOL(rtc_lock);
 
 EXPORT_SYMBOL_GPL(set_nmi_callback);
--- linux-2.6.11-rc2-mm2-full/arch/arm/kernel/process.c.old	2005-01-31 14:15:46.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/arm/kernel/process.c	2005-01-31 14:15:52.000000000 +0100
@@ -461,4 +461,3 @@
 	} while (count ++ < 16);
 	return 0;
 }
-EXPORT_SYMBOL(get_wchan);
--- linux-2.6.11-rc2-mm2-full/arch/ppc/kernel/ppc_ksyms.c.old	2005-01-31 14:15:59.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/ppc/kernel/ppc_ksyms.c	2005-01-31 14:16:03.000000000 +0100
@@ -288,7 +288,6 @@
 EXPORT_SYMBOL(timer_interrupt);
 EXPORT_SYMBOL(irq_desc);
 EXPORT_SYMBOL(tb_ticks_per_jiffy);
-EXPORT_SYMBOL(get_wchan);
 EXPORT_SYMBOL(console_drivers);
 #ifdef CONFIG_XMON
 EXPORT_SYMBOL(xmon);
--- linux-2.6.11-rc2-mm2-full/arch/mips/kernel/process.c.old	2005-01-31 14:16:10.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/mips/kernel/process.c	2005-01-31 14:16:29.000000000 +0100
@@ -361,4 +361,3 @@
 	return pc;
 }
 
-EXPORT_SYMBOL(get_wchan);
--- linux-2.6.11-rc2-mm2-full/arch/m68knommu/kernel/m68k_ksyms.c.old	2005-01-31 14:16:37.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/m68knommu/kernel/m68k_ksyms.c	2005-01-31 14:16:40.000000000 +0100
@@ -60,8 +60,6 @@
 EXPORT_SYMBOL(__down_failed_trylock);
 EXPORT_SYMBOL(__up_wakeup);
 
-EXPORT_SYMBOL(get_wchan);
-
 /*
  * libgcc functions - functions that are used internally by the
  * compiler...  (prototypes are not correct though, but that
--- linux-2.6.11-rc2-mm2-full/arch/arm26/kernel/armksyms.c.old	2005-01-31 14:16:49.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/arm26/kernel/armksyms.c	2005-01-31 14:16:52.000000000 +0100
@@ -213,8 +213,6 @@
 EXPORT_SYMBOL(sys_exit);
 EXPORT_SYMBOL(sys_wait4);
 
-EXPORT_SYMBOL(get_wchan);
-
 #ifdef CONFIG_PREEMPT
 EXPORT_SYMBOL(kernel_flag);
 #endif
--- linux-2.6.11-rc2-mm2-full/arch/m68k/kernel/m68k_ksyms.c.old	2005-01-31 14:17:00.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/m68k/kernel/m68k_ksyms.c	2005-01-31 14:17:05.000000000 +0100
@@ -85,4 +85,3 @@
 EXPORT_SYMBOL(__down_failed_trylock);
 EXPORT_SYMBOL(__up_wakeup);
 
-EXPORT_SYMBOL(get_wchan);
--- linux-2.6.11-rc2-mm2-full/arch/alpha/kernel/alpha_ksyms.c.old	2005-01-31 14:17:12.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/alpha/kernel/alpha_ksyms.c	2005-01-31 14:17:16.000000000 +0100
@@ -228,8 +228,6 @@
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(memchr);
 
-EXPORT_SYMBOL(get_wchan);
-
 #ifdef CONFIG_ALPHA_IRONGATE
 EXPORT_SYMBOL(irongate_ioremap);
 EXPORT_SYMBOL(irongate_iounmap);
--- linux-2.6.11-rc2-mm2-full/arch/ppc64/kernel/ppc_ksyms.c.old	2005-01-31 14:17:23.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/ppc64/kernel/ppc_ksyms.c	2005-01-31 14:17:27.000000000 +0100
@@ -151,7 +151,6 @@
 
 EXPORT_SYMBOL(timer_interrupt);
 EXPORT_SYMBOL(irq_desc);
-EXPORT_SYMBOL(get_wchan);
 EXPORT_SYMBOL(console_drivers);
 
 EXPORT_SYMBOL(tb_ticks_per_usec);
--- linux-2.6.11-rc2-mm2-full/arch/h8300/kernel/h8300_ksyms.c.old	2005-01-31 14:17:34.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/h8300/kernel/h8300_ksyms.c	2005-01-31 14:17:38.000000000 +0100
@@ -57,8 +57,6 @@
 EXPORT_SYMBOL(memscan);
 EXPORT_SYMBOL(memmove);
 
-EXPORT_SYMBOL(get_wchan);
-
 /*
  * libgcc functions - functions that are used internally by the
  * compiler...  (prototypes are not correct though, but that
--- linux-2.6.11-rc2-mm2-full/arch/x86_64/kernel/x8664_ksyms.c.old	2005-01-31 14:17:46.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/x86_64/kernel/x8664_ksyms.c	2005-01-31 14:17:50.000000000 +0100
@@ -126,8 +126,6 @@
 EXPORT_SYMBOL(screen_info);
 #endif
 
-EXPORT_SYMBOL(get_wchan);
-
 EXPORT_SYMBOL(rtc_lock);
 
 EXPORT_SYMBOL_GPL(set_nmi_callback);
--- linux-2.6.11-rc2-mm2-full/arch/frv/kernel/frv_ksyms.c.old	2005-01-31 14:17:58.000000000 +0100
+++ linux-2.6.11-rc2-mm2-full/arch/frv/kernel/frv_ksyms.c	2005-01-31 14:18:03.000000000 +0100
@@ -73,8 +73,6 @@
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(strtok);
 
-EXPORT_SYMBOL(get_wchan);
-
 #ifdef CONFIG_FRV_OUTOFLINE_ATOMIC_OPS
 EXPORT_SYMBOL(atomic_test_and_ANDNOT_mask);
 EXPORT_SYMBOL(atomic_test_and_OR_mask);
-
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Next message: Takashi Iwai: "Re: [PATCH 0/3] Conversion to compat_ioctl for ALSA drivers"

Previous message: Takashi Iwai: "Re: [BUG] 2.6.11-rc2 ALSA"
Next in thread: Greg Banks: "Re: [RFC: 2.6 patch] unexport get_wchan"
Reply: Greg Banks: "Re: [RFC: 2.6 patch] unexport get_wchan"
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