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206b1c6012
linux/arch/alpha/kernel
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Al Viro 206b1c6012 alpha: get rid of pointless insn in ret_from_kernel_thread 
It used to clear a3, so that signal handling on
return to userland would've passed zero r0 to do_work_pending(),
preventing the syscall restart logics from triggering.

	It had been pointless all along, since we only go there
after successful do_execve().  Which does clear regs->r0 on alpha,
preventing the syscall restart logics just fine, no extra help
needed.  Good thing, that, since back in 2012 do_work_pending()
has lost the second argument, shifting the registers used to pass
that thing from a3 to a2.  Commit that had done that adjusted the
entry.S code accordingly, but missed that one.

	As the result, we were left with useless insn in
ret_from_kernel_thread and confusing comment to go with it.
Get rid of both...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-03-28 08:58:27 -04:00
..
.gitignore
asm-offsets.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
audit.c alpha: Enable system-call auditing support. 2014-01-31 09:21:55 -08:00
binfmt_loader.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
console.c vgacon: Set VGA struct resource types 2017-12-18 23:07:43 -06:00
core_apecs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_cia.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_irongate.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_lca.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_marvel.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_mcpcia.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_polaris.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_t2.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_titan.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_tsunami.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
core_wildfire.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
entry.S alpha: get rid of pointless insn in ret_from_kernel_thread 2018-03-28 08:58:27 -04:00
err_common.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
err_ev6.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
err_ev7.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
err_impl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
err_marvel.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
err_titan.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
es1888.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gct.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
head.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
io.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_alpha.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_i8259.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_impl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_pyxis.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_srm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
machvec_impl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
module.c alpha: support R_ALPHA_REFLONG relocations for module loading 2017-08-29 12:01:52 -07:00
osf_sys.c alpha: osf_sys.c: use timespec64 where appropriate 2018-01-25 19:34:31 -05:00
pc873xx.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pc873xx.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci_impl.h alpha: fix reboot on Avanti platform 2018-01-20 17:01:10 -08:00
pci_iommu.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci-noop.c alpha: switch pci syscalls to SYSCALL_DEFINE 2018-03-28 08:58:19 -04:00
pci-sysfs.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci.c alpha: switch pci syscalls to SYSCALL_DEFINE 2018-03-28 08:58:19 -04:00
perf_event.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
process.c alpha: fix crash if pthread_create races with signal delivery 2018-01-20 17:01:16 -08:00
proto.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ptrace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rtc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
setup.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
signal.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
smc37c93x.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
smc37c669.c alpha: squash lines for immediate return 2017-09-04 12:04:32 -07:00
smp.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
srm_env.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
srmcons.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
sys_alcor.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_cabriolet.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_dp264.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_eb64p.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_eiger.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_jensen.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sys_marvel.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sys_miata.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_mikasa.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_nautilus.c alpha: deprecate pci_get_bus_and_slot() 2018-01-20 17:01:04 -08:00
sys_noritake.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_rawhide.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_ruffian.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_rx164.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_sable.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_sio.c alpha/PCI: Fix noname IRQ level detection 2018-01-20 16:22:36 -08:00
sys_sx164.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_takara.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_titan.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sys_wildfire.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
systbls.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
time.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
traps.c alpha: fix formating of stack content 2018-01-20 17:01:13 -08:00
vmlinux.lds.S License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00