Chris Metcalf c14b4bcfd9 tile: support static_key usage in non-module __exit sections ...

Previously, all the __exit sections were just dropped by the link phase.
However, if there are static_key (jump label) constructs in __exit
sections that are not modules, the link fails with the message:

   `.exit.text' referenced in section `__jump_table' of xxx.o:
   defined in discarded section `.exit.text' of xxx.o

Support this usage by keeping the .exit.text sections in the final image
if JUMP_LABEL is defined, then discarding them once initialization is
complete.

Link: http://lkml.kernel.org/r/bfd7c107c610c30e992868ebfe2a5d796a097464.1467837322.git.jbaron@akamai.com
Signed-off-by: Jason Baron <jbaron@akamai.com>
Signed-off-by: Chris Metcalf <cmetcalf@mellanox.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Joe Perches <joe@perches.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2016-08-04 08:50:07 -04:00

..

vdso

tile/vdso: emit a GNU hash as well

2015-08-06 20:22:40 -04:00

asm-offsets.c

…

backtrace.c

…

compat_signal.c

signal: fix information leak in copy_siginfo_from_user32

2015-08-07 04:39:40 +03:00

compat.c

tile 32-bit big-endian: fix bugs in syscall argument order

2016-06-15 15:31:01 -04:00

early_printk.c

…

entry.S

…

ftrace.c

tile/jump_label: add jump label support for TILE-Gx

2016-01-04 15:09:31 -05:00

hardwall.c

…

head_32.S

…

head_64.S

…

hvglue_trace.c

…

hvglue.S

…

intvec_32.S

arch/tile: move user_exit() to early kernel entry sequence

2016-01-18 14:49:30 -05:00

intvec_64.S

arch/tile: move user_exit() to early kernel entry sequence

2016-01-18 14:49:30 -05:00

irq.c

…

jump_label.c

tile/jump_label: add jump label support for TILE-Gx

2016-01-04 15:09:31 -05:00

kgdb.c

tile: Fix misspellings in comments.

2016-03-04 14:44:57 -05:00

kprobes.c

tile: define a macro ktext_writable_addr to get writable kernel text address

2016-01-04 15:09:31 -05:00

machine_kexec.c

…

Makefile

tile/jump_label: add jump label support for TILE-Gx

2016-01-04 15:09:31 -05:00

mcount_64.S

…

messaging.c

…

module.c

…

pci_gx.c

Fix typo

2016-05-23 12:17:22 -04:00

pci-dma.c

dma-mapping: use unsigned long for dma_attrs

2016-08-04 08:50:07 -04:00

pci.c

…

perf_event.c

perf core: Pass max stack as a perf_callchain_entry context

2016-05-16 23:11:50 -03:00

pmc.c

…

proc.c

…

process.c

Clarify naming of thread info/stack allocators

2016-06-24 15:09:37 -07:00

ptrace.c

tile/ptrace: run seccomp after ptrace

2016-06-14 10:54:46 -07:00

reboot.c

…

regs_32.S

…

regs_64.S

…

relocate_kernel_32.S

…

relocate_kernel_64.S

…

setup.c

include/linux/nodemask.h: create next_node_in() helper

2016-05-19 19:12:14 -07:00

signal.c

…

single_step.c

arch/tile: move user_exit() to early kernel entry sequence

2016-01-18 14:49:30 -05:00

smp.c

…

smpboot.c

arch/hotplug: Call into idle with a proper state

2016-03-01 20:36:57 +01:00

stack.c

tile: include the syscall number in the backtrace

2016-01-18 14:49:16 -05:00

sys.c

tile 32-bit big-endian: fix bugs in syscall argument order

2016-06-15 15:31:01 -04:00

sysfs.c

bus: subsys: update return type of ->remove_dev() to void

2015-08-05 17:08:14 -07:00

tile-desc_32.c

…

tile-desc_64.c

…

time.c

tile/time: Migrate to new 'set-state' interface

2015-07-30 12:32:15 -04:00

tlb.c

…

traps.c

arch/tile: move user_exit() to early kernel entry sequence

2016-01-18 14:49:30 -05:00

unaligned.c

Fix typo

2016-05-23 12:17:22 -04:00

usb.c

tile: fix build failure

2015-09-28 11:23:39 -04:00

vdso.c

…

vmlinux.lds.S

tile: support static_key usage in non-module __exit sections

2016-08-04 08:50:07 -04:00