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b035bb9573ff8d3ee89ee6019a511f2aefbbee06
linux/arch
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Joel Stanley b035bb9573 powerpc: Warn about use of smt_snooze_delay 
commit a02f6d4235 upstream.

It's not done anything for a long time. Save the percpu variable, and
emit a warning to remind users to not expect it to do anything.

This uses pr_warn_once instead of pr_warn_ratelimit as testing
'ppc64_cpu --smt=off' on a 24 core / 4 SMT system showed the warning
to be noisy, as the online/offline loop is slow.

Fixes: 3fa8cad82b ("powerpc/pseries/cpuidle: smt-snooze-delay cleanup.")
Cc: stable@vger.kernel.org # v3.14
Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200902000012.3440389-1-joel@jms.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-05 11:08:51 +01:00
..
alpha
alpha: fix annotation of io{read,write}{16,32}be()
2020-08-26 10:31:02 +02:00
arc
arc: plat-hsdk: fix kconfig dependency warning when !RESET_CONTROLLER
2020-10-29 09:55:17 +01:00
arm
ARM: dts: s5pv210: remove dedicated 'audio-subsystem' node
2020-11-05 11:08:45 +01:00
arm64
arm64: dts: renesas: ulcb: add full-pwr-cycle-in-suspend into eMMC nodes
2020-11-05 11:08:44 +01:00
c6x
kbuild: rename LDFLAGS to KBUILD_LDFLAGS
2018-08-24 08:22:08 +09:00
h8300
h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
2019-04-05 22:32:55 +02:00
hexagon
hexagon: define ioremap_uc
2020-05-10 10:30:11 +02:00
ia64
ia64: kprobes: Use generic kretprobe trampoline handler
2020-11-05 11:08:41 +01:00
m68k
m68k: q40: Fix info-leak in rtc_ioctl
2020-10-01 13:14:24 +02:00
microblaze
microblaze: Prevent the overflow of the start
2020-02-24 08:34:53 +01:00
mips
MIPS: Add the missing 'CPU_1074K' into __get_cpu_type()
2020-10-01 13:14:53 +02:00
nds32
nds32: Fix the items of hwcap_str ordering issue.
2019-12-13 08:51:35 +01:00
nios2
nios2: ksyms: Add missing symbol exports
2020-01-27 14:50:30 +01:00
openrisc
openrisc: Fix cache API compile issue when not inlining
2020-09-23 12:10:58 +02:00
parisc
parisc: Implement __smp_store_release and __smp_load_acquire barriers
2020-08-19 08:15:07 +02:00
powerpc
powerpc: Warn about use of smt_snooze_delay
2020-11-05 11:08:51 +01:00
riscv
riscv: Define AT_VECTOR_SIZE_ARCH for ARCH_DLINFO
2020-11-05 11:08:41 +01:00
s390
s390/stp: add locking to sysfs functions
2020-11-05 11:08:51 +01:00
sh
sh: landisk: Add missing initialization of sh_io_port_base
2020-08-21 11:05:39 +02:00
sparc
sparc64: remove mm_cpumask clearing to fix kthread_use_mm race
2020-11-05 11:08:38 +01:00
um
um: change sigio_spinlock to a mutex
2020-11-05 11:08:39 +01:00
unicore32
mm: convert return type of handle_mm_fault() caller to vm_fault_t
2018-08-17 16:20:28 -07:00
x86
perf/x86/amd/ibs: Fix raw sample data accumulation
2020-11-05 11:08:46 +01:00
xtensa
xtensa: fix xtensa_pmu_setup prototype
2020-08-21 11:05:31 +02:00
.gitignore
…
Kconfig
mm: fix exec activate_mm vs TLB shootdown and lazy tlb switching race
2020-11-05 11:08:38 +01:00