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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
commit17eb8812917b10ce4146b5595f91d8e45bfe68cc (patch)
treef905aa6c71212f4b460e23ceaec98346b999066a /include/linux/timekeeper_internal.h
parent57610d69f909ea2ea072775c6ad64ba9fad590bb (diff)
parent23199d2aa6dcaf6dd2da772f93d2c94317d71459 (diff)
Merge tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge cpupower utility updates for 6.18-rc1 from Shuah Khan: "Fixes incorrect return vale in cpupower_write_sysfs() error path and passing incorrect size to cpuidle_state_write_file() while writing status to disable file in cpuidle_state_disable()." * tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: (1125 commits) tools/cpupower: Fix incorrect size in cpuidle_state_disable() tools/cpupower: fix error return value in cpupower_write_sysfs() Linux 6.17-rc6 MAINTAINERS: Input: Drop melfas-mip4 section USB: core: remove the move buf action MAINTAINERS: Update the DMA Rust entry erofs: fix long xattr name prefix placement Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups" hsr: hold rcu and dev lock for hsr_get_port_ndev hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr hsr: use rtnl lock when iterating over ports wifi: nl80211: completely disable per-link stats for now net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info selftests/bpf: Skip timer cases when bpf_timer is not supported bpf: Reject bpf_timer for PREEMPT_RT libceph: fix invalid accesses to ceph_connection_v1_info PM: hibernate: Restrict GFP mask in hibernation_snapshot() MAINTAINERS: add Phil as netfilter reviewer netfilter: nf_tables: restart set lookup on base_seq change ...
Diffstat (limited to 'include/linux/timekeeper_internal.h')
-rw-r--r--include/linux/timekeeper_internal.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h
index c27aac67cb3f..b8ae89ea28ab 100644
--- a/include/linux/timekeeper_internal.h
+++ b/include/linux/timekeeper_internal.h
@@ -76,6 +76,7 @@ struct tk_read_base {
* @cs_was_changed_seq: The sequence number of clocksource change events
* @clock_valid: Indicator for valid clock
* @monotonic_to_boot: CLOCK_MONOTONIC to CLOCK_BOOTTIME offset
+ * @monotonic_to_aux: CLOCK_MONOTONIC to CLOCK_AUX offset
* @cycle_interval: Number of clock cycles in one NTP interval
* @xtime_interval: Number of clock shifted nano seconds in one NTP
* interval.
@@ -117,6 +118,9 @@ struct tk_read_base {
* @offs_aux is used by the auxiliary timekeepers which do not utilize any
* of the regular timekeeper offset fields.
*
+ * @monotonic_to_aux is a timespec64 representation of @offs_aux to
+ * accelerate the VDSO update for CLOCK_AUX.
+ *
* The cacheline ordering of the structure is optimized for in kernel usage of
* the ktime_get() and ktime_get_ts64() family of time accessors. Struct
* timekeeper is prepended in the core timekeeping code with a sequence count,
@@ -159,7 +163,10 @@ struct timekeeper {
u8 cs_was_changed_seq;
u8 clock_valid;
- struct timespec64 monotonic_to_boot;
+ union {
+ struct timespec64 monotonic_to_boot;
+ struct timespec64 monotonic_to_aux;
+ };
u64 cycle_interval;
u64 xtime_interval;