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linux-stable/arch/x86
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Peter Zijlstra 5b06fd3bb9 static_call: Handle tail-calls 
GCC can turn our static_call(name)(args...) into a tail call, in which
case we get a JMP.d32 into the trampoline (which then does a further
tail-call).

Teach objtool to recognise and mark these in .static_call_sites and
adjust the code patching to deal with this.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/20200818135805.101186767@infradead.org
2020-09-01 09:58:06 +02:00
..
boot treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
configs x86/defconfigs: Refresh defconfig files 2020-07-25 12:02:14 +02:00
crypto crypto: x86/curve25519 - Remove unused carry variables 2020-07-31 18:25:29 +10:00
entry x86/entry: Remove unused THUNKs 2020-08-26 12:41:54 +02:00
events treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hyperv vmalloc: fix the owner argument for the new __vmalloc_node_range callers 2020-07-03 16:15:25 -07:00
ia32 mm: remove unneeded includes of <asm/pgalloc.h> 2020-08-07 11:33:26 -07:00
include static_call: Add static_call_cond() 2020-09-01 09:58:05 +02:00
kernel static_call: Handle tail-calls 2020-09-01 09:58:06 +02:00
kvm treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
lib treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
math-emu treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
mm A set of fixes for lockdep, tracing and RCU: 2020-08-30 11:43:50 -07:00
net bpf, i386: Remove unneeded conversion to bool 2020-05-07 16:29:14 +02:00
oprofile
pci xen: branch for v5.9-rc2 2020-08-21 12:28:33 -07:00
platform efi/x86: Move 32-bit code into efi_32.c 2020-08-20 11:18:36 +02:00
power Kbuild updates for v5.9 2020-08-09 14:10:26 -07:00
purgatory Misc fixes and small updates all around the place: 2020-08-15 10:38:03 -07:00
ras treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
realmode Rebase locking/kcsan to locking/urgent 2020-06-11 20:02:46 +02:00
tools
um kbuild: remove cc-option test of -fno-stack-protector 2020-07-07 11:13:10 +09:00
video
xen xen: branch for v5.9-rc1b 2020-08-14 13:34:37 -07:00
.gitignore
Kbuild
Kconfig x86/static_call: Add inline static call implementation for x86-64 2020-09-01 09:58:05 +02:00
Kconfig.assembler x86/delay: Introduce TPAUSE delay 2020-05-07 16:06:20 +02:00
Kconfig.cpu treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Kconfig.debug locking/lockdep: Fix TRACE_IRQFLAGS vs. NMIs 2020-07-27 15:13:29 +02:00
Makefile Kbuild updates for v5.9 2020-08-09 14:10:26 -07:00
Makefile.um
Makefile_32.cpu