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8c49a90987
linux_dsm_epyc7002/arch/alpha/kernel
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Dmitry Safonov 8c49a90987 alpha: add show_stack_loglvl() 
Currently, the log-level of show_stack() depends on a platform
realization.  It creates situations where the headers are printed with
lower log level or higher than the stacktrace (depending on a platform or
user).

Furthermore, it forces the logic decision from user to an architecture
side.  In result, some users as sysrq/kdb/etc are doing tricks with
temporary rising console_loglevel while printing their messages.  And in
result it not only may print unwanted messages from other CPUs, but also
omit printing at all in the unlucky case where the printk() was deferred.

Introducing log-level parameter and KERN_UNSUPPRESSED [1] seems an easier
approach than introducing more printk buffers.  Also, it will consolidate
printings with headers.

Introduce show_stack_loglvl(), that eventually will substitute
show_stack().

[1]: https://lore.kernel.org/lkml/20190528002412.1625-1-dima@arista.com/T/#u

Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Link: http://lkml.kernel.org/r/20200418201944.482088-3-dima@arista.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-09 09:39:10 -07:00
..
syscalls vfs: add faccessat2 syscall 2020-05-14 16:44:25 +02:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
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 exec: Remove recursion from search_binary_handler 2020-05-21 10:16:57 -05:00
bugs.c alpha: Implement CPU vulnerabilities sysfs functions. 2018-04-07 15:04:04 -07:00
console.c vgacon: Set VGA struct resource types 2017-12-18 23:07:43 -06:00
core_apecs.c memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
core_cia.c treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
core_irongate.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
core_lca.c memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
core_marvel.c treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
core_mcpcia.c memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
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 memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
core_titan.c memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
core_tsunami.c memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
core_wildfire.c alpha: fix spelling mistake QSD_PORT_ACTUVE -> QSD_PORT_ACTIVE 2018-12-21 11:57:57 -05:00
entry.S alpha: unify the glue for sigreturn-like syscalls 2018-08-16 21:03:35 -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 alpha: io: reorder barriers to guarantee writeX() and iowriteX() ordering #2 2018-05-22 18:10:36 -07:00
irq_alpha.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
irq_i8259.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
irq_impl.h alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
irq_pyxis.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
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 alpha: Implement CPU vulnerabilities sysfs functions. 2018-04-07 15:04:04 -07:00
module.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
osf_sys.c y2038: use compat_{get,set}_itimer on alpha 2019-11-15 14:38:30 +01:00
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 dma-mapping: explicitly wire up ->mmap and ->get_sgtable 2019-09-04 11:13:18 +02:00
pci-noop.c treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
pci-sysfs.c PCI: Add PCI_STD_NUM_BARS for the number of standard BARs 2019-10-14 10:22:26 -05:00
pci.c treewide: add checks for the return value of memblock_alloc*() 2019-03-12 10:04:02 -07:00
perf_event.c alpha: Use pr_warn instead of pr_warning 2019-10-18 10:26:32 +02:00
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 alpha: rtc: simplify alpha_rtc_init 2018-12-21 11:57:57 -05:00
setup.c alpha: constify sysrq_key_op 2020-05-15 14:53:19 +02:00
signal.c signal: Remove task parameter from force_sig 2019-05-27 09:36:28 -05:00
smc37c93x.c arch: mostly remove <asm/segment.h> 2019-04-23 21:51:40 +02:00
smc37c669.c arch: mostly remove <asm/segment.h> 2019-04-23 21:51:40 +02:00
smp.c mm: rename flush_icache_user_range to flush_icache_user_page 2020-06-08 11:05:58 -07:00
srm_env.c proc: convert everything to "struct proc_ops" 2020-02-04 03:05:26 +00:00
srmcons.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
sys_alcor.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
sys_cabriolet.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
sys_dp264.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_eb64p.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
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 alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
sys_miata.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
sys_mikasa.c License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
sys_nautilus.c alpha: Fix nautilus PCI setup 2020-03-30 09:52:35 -05:00
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 alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
sys_rx164.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
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 alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
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 alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
systbls.S alpha: generate uapi header and syscall table header files 2018-12-21 11:57:56 -05:00
time.c alpha: Replace setup_irq() by request_irq() 2020-03-29 21:03:41 +02:00
traps.c alpha: add show_stack_loglvl() 2020-06-09 09:39:10 -07:00
vmlinux.lds.S alpha: Move EXCEPTION_TABLE to RO_DATA segment 2019-11-04 17:57:56 +01:00