Chris Metcalf 128f3cb939 tile: nohz: warn if nohz_full uses hypervisor shared cores ...

The "hypervisor shared" cores are ones that the Tilera hypervisor
uses to receive interrupts to manage hypervisor-owned devices.
It's a bad idea to try to use those cores with nohz_full, since
they will get interrupted unpredictably -- and invisibly to Linux
tracing tools, since the interrupts are delivered at a higher
privilege level to the Tilera hypervisor.

Generate a clear warning at boot up that this doesn't end well
for the nohz_full cores in question.

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>

2015-04-17 14:01:41 -04:00

..

vdso

tile: add clock_gettime support to vDSO

2014-10-02 13:56:07 -04:00

asm-offsets.c

tile: check for correct compiler earlier in asm-offsets.c

2013-09-03 14:53:09 -04:00

backtrace.c

arch/tile: big-endian: properly bswap instruction bundles when backtracing

2012-06-18 13:11:21 -04:00

compat_signal.c

tile: use si_int instead of si_ptr for compat_siginfo

2015-04-17 12:56:42 -04:00

compat.c

tile: remove stray blank space

2013-09-16 15:47:32 -04:00

early_printk.c

printk: remove used-once early_vprintk

2014-12-10 17:41:10 -08:00

entry.S

tile: implement gettimeofday() via vDSO

2013-08-13 16:26:21 -04:00

ftrace.c

tile: ftrace: fix function_graph tracer issues

2015-04-17 14:01:38 -04:00

hardwall.c

tile: use %*pb[l] to print bitmaps including cpumasks and nodemasks

2015-02-13 21:21:37 -08:00

head_32.S

tile: parameterize VA and PA space more cleanly

2013-09-03 14:47:34 -04:00

head_64.S

tile: parameterize VA and PA space more cleanly

2013-09-03 14:47:34 -04:00

hvglue_trace.c

tile: provide traceability for hypervisor calls

2013-08-13 16:26:31 -04:00

hvglue.S

tile: provide traceability for hypervisor calls

2013-08-13 16:26:31 -04:00

intvec_32.S

tile: Enable NMIs on return from handle_nmi() without errors

2014-03-07 11:19:48 -05:00

intvec_64.S

tile: Enable NMIs on return from handle_nmi() without errors

2014-03-07 11:19:48 -05:00

irq.c

tile: Use the more common pr_warn instead of pr_warning

2014-11-11 15:51:42 -05:00

kgdb.c

arch: tile: kernel: kgdb.c: Use memcpy() instead of pointer copy one by one

2014-11-12 14:27:10 -05:00

kprobes.c

tile: Use the more common pr_warn instead of pr_warning

2014-11-11 15:51:42 -05:00

machine_kexec.c

tile: Use the more common pr_warn instead of pr_warning

2014-11-11 15:51:42 -05:00

Makefile

tile/perf: Support perf_events on tilegx and tilepro

2014-03-07 11:19:48 -05:00

mcount_64.S

tile: ftrace: fix function_graph tracer issues

2015-04-17 14:01:38 -04:00

messaging.c

tile: Use the more common pr_warn instead of pr_warning

2014-11-11 15:51:42 -05:00

module.c

module: remove mod arg from module_free, rename module_memfree().

2015-01-20 11:38:33 +10:30

pci_gx.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

2014-12-16 13:54:16 -08:00

pci-dma.c

tile PCI RC: make default consistent DMA mask 32-bit

2013-09-03 14:53:37 -04:00

pci.c

tile: use PCI define for Max_Read_Request_Size

2015-01-27 08:14:26 -06:00

perf_event.c

tile: Use this_cpu_ptr() for hardware counters

2014-08-26 13:45:55 -04:00

pmc.c

tile: Add support for handling PMC hardware

2014-03-07 11:19:47 -05:00

proc.c

tile: use %*pb[l] to print bitmaps including cpumasks and nodemasks

2015-02-13 21:21:37 -08:00

process.c

tile: support CONTEXT_TRACKING and thus NOHZ_FULL

2015-04-17 14:01:10 -04:00

ptrace.c

tile: support CONTEXT_TRACKING and thus NOHZ_FULL

2015-04-17 14:01:10 -04:00

reboot.c

tile: various console improvements

2013-08-12 14:46:18 -04:00

regs_32.S

tile: change <asm/system.h> to <asm/switch_to.h> in comments

2013-09-03 14:53:17 -04:00

regs_64.S

tile: change <asm/system.h> to <asm/switch_to.h> in comments

2013-09-03 14:53:17 -04:00

relocate_kernel_32.S

tile: remove support for TILE64

2013-09-03 14:53:29 -04:00

relocate_kernel_64.S

tile: remove support for TILE64

2013-09-03 14:53:29 -04:00

setup.c

tile: nohz: warn if nohz_full uses hypervisor shared cores

2015-04-17 14:01:41 -04:00

signal.c

all arches, signal: move restart_block to struct task_struct

2015-02-12 18:54:12 -08:00

single_step.c

tile: support CONTEXT_TRACKING and thus NOHZ_FULL

2015-04-17 14:01:10 -04:00

smp.c

tile: support arch_irq_work_raise

2015-04-17 12:58:44 -04:00

smpboot.c

tile: Use the more common pr_warn instead of pr_warning

2014-11-11 15:51:42 -05:00

stack.c

arch: tile: fix null pointer dereference on pt_regs pointer

2015-04-17 12:58:41 -04:00

sys.c

tile: support CONFIG_PREEMPT

2013-08-13 16:26:01 -04:00

sysfs.c

tile: support reporting Tilera hypervisor statistics

2013-09-03 14:51:36 -04:00

tile-desc_32.c

arch/tile: factor out <arch/opcode.h> header

2011-11-03 16:58:54 -04:00

tile-desc_64.c

arch/tile: factor out <arch/opcode.h> header

2011-11-03 16:58:54 -04:00

time.c

tile: Use the more common pr_warn instead of pr_warning

2014-11-11 15:51:42 -05:00

tlb.c

tile: do less L1 I-cache eviction

2013-08-30 11:56:34 -04:00

traps.c

tile: support CONTEXT_TRACKING and thus NOHZ_FULL

2015-04-17 14:01:10 -04:00

unaligned.c

tile: support CONTEXT_TRACKING and thus NOHZ_FULL

2015-04-17 14:01:10 -04:00

usb.c

usb: add host support for the tilegx architecture

2012-07-18 16:40:29 -04:00

vdso.c

arm64,ia64,ppc,s390,sh,tile,um,x86,mm: remove default gate area

2014-08-08 15:57:27 -07:00

vmlinux.lds.S

tile: Remove tile-specific _sinitdata and _einitdata

2014-10-02 10:19:33 -04:00