Helge Deller dbe73dace9 parisc: Mark cr16 CPU clocksource unstable on all SMP machines ... commit afdb4a5b1d340e4afffc65daa21cc71890d7d589 upstream. In commit c8c3735997 ("parisc: Enhance detection of synchronous cr16 clocksources") I assumed that CPUs on the same physical core are syncronous. While booting up the kernel on two different C8000 machines, one with a dual-core PA8800 and one with a dual-core PA8900 CPU, this turned out to be wrong. The symptom was that I saw a jump in the internal clocks printed to the syslog and strange overall behaviour. On machines which have 4 cores (2 dual-cores) the problem isn't visible, because the current logic already marked the cr16 clocksource unstable in this case. This patch now marks the cr16 interval timers unstable if we have more than one CPU in the system, and it fixes this issue. Fixes: c8c3735997 ("parisc: Enhance detection of synchronous cr16 clocksources") Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # v5.15+ Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-12-08 09:03:29 +01:00
..
boot	vmlinux.lds.h: Split ELF_DETAILS from STABS_DEBUG	2020-09-01 09:50:35 +02:00
configs	parisc: disable CONFIG_IDE in defconfigs	2020-10-15 08:10:38 +02:00
include	parisc: Use absolute_pointer() to define PAGE0	2021-09-30 10:11:07 +02:00
kernel	parisc: Mark cr16 CPU clocksource unstable on all SMP machines	2021-12-08 09:03:29 +01:00
lib	Revert "parisc: Add assembly implementations for memset, strlen, strcpy, strncpy and strcat"	2021-09-03 10:09:31 +02:00
math-emu	parisc: math-emu: Fix fall-through warnings	2021-10-27 09:56:46 +02:00
mm	parisc: fix warning in flush_tlb_all	2021-11-18 14:04:01 +01:00
oprofile	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
defpalo.conf
install.sh	parisc: Fix "make install" on newer debian releases	2021-12-08 09:03:28 +01:00
Kconfig	parisc: Enable -mlong-calls gcc option with CONFIG_COMPILE_TEST	2021-03-11 14:17:21 +01:00
Kconfig.debug	Kconfig: consolidate the "Kernel hacking" menu	2018-08-02 08:06:48 +09:00
Makefile	parisc: Fix KBUILD_IMAGE for self-extracting kernel	2021-12-08 09:03:28 +01:00
nm