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3481d31bf7
linux_dsm_epyc7002/arch/parisc/kernel
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Dmitry Safonov 3481d31bf7 parisc: 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: Helge Deller <deller@gmx.de>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Link: http://lkml.kernel.org/r/20200418201944.482088-26-dima@arista.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-06-09 09:39:11 -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
alternative.c parisc: Refactor alternative code to accept multiple conditions 2020-04-05 22:50:40 +02:00
asm-offsets.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.c parisc: use pgtable-nopXd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
compat_audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
drivers.c parisc: Use proper printk format for resource_size_t 2020-01-14 09:17:59 +01:00
entry.S sched/rt, parisc: Use CONFIG_PREEMPTION 2019-12-08 14:37:34 +01:00
firmware.c parisc: firmware: Update references to parisc website 2020-06-01 23:02:11 +02:00
ftrace.c parisc/ftrace: Add KPROBES_ON_FTRACE 2019-08-03 08:56:57 +02:00
hardware.c parisc: hardware: Update references to parisc website 2020-06-01 23:02:39 +02:00
head.S parisc: Use __ro_after_init in head.S 2019-05-10 21:00:44 +02:00
hpmc.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 150 2019-05-30 11:25:19 -07:00
inventory.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
irq.c parisc: Replace setup_irq() by request_irq() 2020-04-05 22:05:23 +02:00
jump_label.c parisc: Add static branch and JUMP_LABEL feature 2019-05-06 00:10:03 +02:00
kexec_file.c parisc: add support for kexec_file_load() syscall 2019-09-08 15:41:46 +02:00
kexec.c parisc: add support for kexec_file_load() syscall 2019-09-08 15:41:46 +02:00
kgdb.c parisc: add KGDB support 2019-05-03 23:47:38 +02:00
kprobes.c kprobes/parisc: remove arch_kprobe_on_func_entry() 2019-09-06 23:58:44 +02:00
Makefile parisc: fix compilation when KEXEC=n and KEXEC_FILE=y 2019-12-15 21:05:38 +01:00
module.c parisc: module: Update references to parisc website 2020-06-01 23:03:04 +02:00
pa7300lc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pacache.S parisc: speed up flush_tlb_all_local with qemu 2019-08-12 19:17:40 +02:00
parisc_ksyms.c parisc: Add assembly implementations for memset, strlen, strcpy, strncpy and strcat 2019-08-03 08:56:57 +02:00
patch.c parisc: add spinlock to patch function 2019-06-08 12:56:26 +02:00
pci-dma.c parisc: use pgtable-nopXd instead of 4level-fixup 2019-12-04 19:44:15 -08:00
pci.c parisc: Drop comments which are already in pci.h 2019-09-05 16:41:11 +02:00
pdc_chassis.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333 2019-06-05 17:37:06 +02:00
pdc_cons.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pdt.c parisc: soft_offline_page() now takes the pfn 2019-12-20 19:47:00 +01:00
perf_asm.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
perf_images.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
perf.c parisc/perf: open access for CAP_PERFMON privileged process 2020-04-16 12:19:08 -03:00
process.c parisc: Implement copy_thread_tls 2020-01-07 13:31:21 +01:00
processor.c parisc: Replace cpu_up/down() with add/remove_cpu() 2020-03-25 12:59:36 +01:00
ptrace.c seccomp: simplify secure_computing() 2019-10-10 14:55:24 -07:00
real2.S parisc: Fix and improve kernel stack unwinding 2018-08-13 09:54:17 +02:00
relocate_kernel.S parisc: add kexec syscall support 2019-09-08 15:37:04 +02:00
setup.c arch/parisc/setup: Drop dummy_con initialization 2020-01-14 15:29:17 +01:00
signal32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
signal32.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
signal.c signal: Remove task parameter from force_sig 2019-05-27 09:36:28 -05:00
smp.c parisc: add __pdc_cpu_rendezvous() 2019-09-08 15:19:58 +02:00
stacktrace.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
sys_parisc32.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sys_parisc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
syscall.S parisc: remove nargs from __SYSCALL 2020-04-05 22:57:40 +02:00
time.c parisc: Use __ro_after_init in time.c 2019-05-10 21:00:45 +02:00
topology.c parisc: Add CPU topology support 2017-11-17 15:27:22 +01:00
traps.c parisc: add show_stack_loglvl() 2020-06-09 09:39:11 -07:00
unaligned.c Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2019-07-08 21:48:15 -07:00
unwind.c parisc: Use __ro_after_init in unwind.c 2019-05-10 21:00:45 +02:00
vmlinux.lds.S parisc: Move EXCEPTION_TABLE to RO_DATA segment 2019-11-04 18:22:10 +01:00