Ryan Thibodeaux
2ec16bc0fc
x86/xen: Add "xen_timer_slop" command line option ...
Add a new command-line option "xen_timer_slop=<INT>" that sets the
minimum delta of virtual Xen timers. This commit does not change the
default timer slop value for virtual Xen timers.
Lowering the timer slop value should improve the accuracy of virtual
timers (e.g., better process dispatch latency), but it will likely
increase the number of virtual timer interrupts (relative to the
original slop setting).
The original timer slop value has not changed since the introduction
of the Xen-aware Linux kernel code. This commit provides users an
opportunity to tune timer performance given the refinements to
hardware and the Xen event channel processing. It also mirrors
a feature in the Xen hypervisor - the "timer_slop" Xen command line
option.
[boris: updated comment describing TIMER_SLOP]
Signed-off-by: Ryan Thibodeaux <ryan.thibodeaux@starlab.io>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
2019-04-23 11:06:26 -04:00
device-dax for 5.1
2019-03-16 13:05:32 -07:00
psi: clarify the units used in pressure files
2019-04-05 16:02:31 -10:00
ACPI: Documentation: Fix path for acpidbg tool
2019-03-07 11:28:33 +01:00
x86/xen: Add "xen_timer_slop" command line option
2019-04-23 11:06:26 -04:00
ARM: 8833/1: Ensure that NEON code always compiles with Clang
2019-02-12 15:20:09 +00:00
arm64 updates for 5.1:
2019-03-10 10:17:23 -07:00
block: document usage of bio iterator helpers
2019-02-15 08:40:12 -07:00
bpf, doc: fix BTF docs reflow of bullet list
2019-03-26 13:13:42 -07:00
A fairly routine cycle for docs - lots of typo fixes, some new documents,
2019-03-09 09:56:17 -08:00
Merge branch 'akpm' (patches from Andrew)
2019-03-12 10:39:53 -07:00
dm cache: add support for discard passdown to the origin device
2019-03-05 14:53:52 -05:00
ARM: SoC fixes
2019-04-07 13:46:17 -10:00
docs: kernel-doc: typo "if ... if" -> "if ... is"
2019-02-17 15:38:47 -07:00
dmaengine updates for v5.1-rc1
2019-03-14 09:11:54 -07:00
Merge branches 'clk-optional', 'clk-devm-clkdev-register', 'clk-allwinner', 'clk-meson' and 'clk-renesas' into clk-next
2019-03-08 10:27:21 -08:00
fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line option
2019-01-16 17:42:35 +01:00
vfs: Update mount API docs
2019-03-28 08:54:20 -07:00
Merge drm/drm-next into drm-misc-next
2019-02-11 10:35:35 +01:00
A fairly routine cycle for docs - lots of typo fixes, some new documents,
2019-03-09 09:56:17 -08:00
i2c: i801: Add support for Intel Comet Lake
2019-03-20 17:42:23 +01:00
Documentation/infiniband: update from locked to pinned_vm
2019-02-07 12:56:23 -07:00
doc: Change LXR references to elixir.bootlin.com
2019-02-01 16:05:03 -07:00
interconnect: Add generic on-chip interconnect API
2019-01-22 13:37:25 +01:00
kbuild: force all architectures except um to include mandatory-y
2019-03-17 12:56:32 +09:00
kdump: Document kernel data exported in the vmcoreinfo note
2019-01-15 11:05:28 +01:00
Documentation: fix lg-laptop.rst warnings
2019-02-11 08:27:47 -07:00
livepatch: Remove signal sysfs attribute
2019-01-16 22:09:33 +01:00
Documentation/locking/lockdep: Drop last two chars of sample states
2019-03-04 12:55:18 -07:00
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-04-19 10:28:27 -07:00
rxrpc: Make rxrpc_kernel_check_life() indicate if call completed
2019-04-12 16:57:23 -07:00
PM/EM: Document the Energy Model framework
2019-01-27 12:29:37 +01:00
A fairly routine cycle for docs - lots of typo fixes, some new documents,
2019-03-09 09:56:17 -08:00
A fairly routine cycle for docs - lots of typo fixes, some new documents,
2019-03-09 09:56:17 -08:00
sched/doc: Document Energy Aware Scheduling
2019-01-27 12:29:37 +01:00
scsi: ufs-bsg: Allow reading descriptors
2019-02-27 09:00:02 -05:00
doc: security: Add kern-doc for lsm_hooks.h
2019-02-22 08:54:09 -07:00
ASoC: More changes for v5.1
2019-02-28 13:30:55 +01:00
pxa2xx: replace spi_master with spi_controller
2019-01-23 10:59:56 +00:00
A fairly routine cycle for docs - lots of typo fixes, some new documents,
2019-03-09 09:56:17 -08:00
scsi: target/core: Remove the write_pending_status() callback function
2019-02-04 21:23:59 -05:00
Docs: Correct /proc/stat path
2019-02-22 08:50:17 -07:00
doc: trace: Fix documentation for uprobe_profile
2019-02-21 10:28:55 -05:00
A fairly routine cycle for docs - lots of typo fixes, some new documents,
2019-03-09 09:56:17 -08:00
usb: core: add option of only authorizing internal devices
2019-02-22 09:27:55 +01:00
x86/speculation: Add PR_SPEC_DISABLE_NOEXEC
2019-01-29 22:11:49 +01:00
Documentation: kvm: clarify KVM_SET_USER_MEMORY_REGION
2019-03-28 17:30:11 +01:00
docs: Use underscore not hyphen in label
2019-02-01 16:04:01 -07:00
Documentation/watchdog: Add documentation mlx-wdt driver
2019-03-02 15:28:20 +01:00
x86/resctrl: Avoid confusion over the new X86_RESCTRL config
2019-02-02 10:34:52 +01:00
xtensa: document boot parameter passing
2019-02-03 18:06:19 -08:00
Documentation/DMA-API-HOWTO: update dma_mask sections
2019-02-20 07:29:47 -07:00
virtio: fixes, cleanups
2019-03-10 12:47:57 -07:00
Documentation/DMA-ISA-LPC: fix an incorrect reference
2019-02-11 08:23:07 -07:00
kernel/configs: use .incbin directive to embed config_data.gz
2019-03-07 18:32:02 -08:00
lib/lzo: fix bugs for very short or empty input
2019-04-05 16:02:30 -10:00
static_keys.txt: Fix trivial spelling mistake
2019-02-06 16:44:16 -07:00
2ec16bc0fc
