The patch titled
Subject: arch: drop duplicate exports of abort()
has been added to the -mm tree. Its filename is
kernel-exitc-export-abort-to-modules-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/kernel-exitc-export-abort-to-modules-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/kernel-exitc-export-abort-to-modules-fix.patch
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------------------------------------------------------
From: Arnd Bergmann <arnd@xxxxxxxx>
Subject: arch: drop duplicate exports of abort()
We now have exports in both architecture code in in common code, which
causes a link failure when symbol versioning is eanbled, on four
architectures:
kernel/exit.o: In function `__crc_abort':
exit.c:(*ABS*+0xc0e2ec8b): multiple definition of `__crc_abort'
This removes the four architecture specific exports and only leaves the
export next to the __weak symbol.
Link: http://lkml.kernel.org/r/20180102103311.706364-1-arnd@xxxxxxxx
Fixes: mmotm ("kernel/exit.c: export abort() to modules")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx> [arm]
Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx>
Cc: Vineet Gupta <vgupta@xxxxxxxxxxxx>
Cc: Jose Abreu <Jose.Abreu@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm/kernel/traps.c | 1 -
arch/m32r/kernel/traps.c | 1 -
arch/unicore32/kernel/traps.c | 1 -
3 files changed, 3 deletions(-)
diff -puN arch/arm/kernel/traps.c~kernel-exitc-export-abort-to-modules-fix arch/arm/kernel/traps.c
--- a/arch/arm/kernel/traps.c~kernel-exitc-export-abort-to-modules-fix
+++ a/arch/arm/kernel/traps.c
@@ -793,7 +793,6 @@ void abort(void)
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
-EXPORT_SYMBOL(abort);
void __init trap_init(void)
{
diff -puN arch/m32r/kernel/traps.c~kernel-exitc-export-abort-to-modules-fix arch/m32r/kernel/traps.c
--- a/arch/m32r/kernel/traps.c~kernel-exitc-export-abort-to-modules-fix
+++ a/arch/m32r/kernel/traps.c
@@ -122,7 +122,6 @@ void abort(void)
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
-EXPORT_SYMBOL(abort);
void __init trap_init(void)
{
diff -puN arch/unicore32/kernel/traps.c~kernel-exitc-export-abort-to-modules-fix arch/unicore32/kernel/traps.c
--- a/arch/unicore32/kernel/traps.c~kernel-exitc-export-abort-to-modules-fix
+++ a/arch/unicore32/kernel/traps.c
@@ -298,7 +298,6 @@ void abort(void)
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
-EXPORT_SYMBOL(abort);
void __init trap_init(void)
{
_
Patches currently in -mm which might be from arnd@xxxxxxxx are
kernel-exitc-export-abort-to-modules-fix.patch
mm-thp-use-down_read_trylock-in-khugepaged-to-avoid-long-block-fix-2.patch
bugh-work-around-gcc-pr82365-in-bug.patch
kasan-rework-kconfig-settings.patch
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