freebsd-src/sys/kern
Jung-uk Kim a49399a903 Set negative quality to TSC timecounter when C3 state is enabled for Intel
processors unless the invariant TSC bit of CPUID is set.  Intel processors
may stop incrementing TSC when DPSLP# pin is asserted, according to Intel
processor manuals, i. e., TSC timecounter is useless if the processor can
enter deep sleep state (C3/C4).  This problem was accidentally uncovered by
r222869, which increased timecounter quality of P-state invariant TSC, e.g.,
for Core2 Duo T5870 (Family 6, Model f) and Atom N270 (Family 6, Model 1c).

Reported by:	Fabian Keil (freebsd-listen at fabiankeil dot de)
		Ian FREISLICH (ianf at clue dot co dot za)
Tested by:	Fabian Keil (freebsd-listen at fabiankeil dot de)
		- Core2 Duo T5870 (C3 state available/enabled)
		jkim - Xeon X5150 (C3 state unavailable)
2011-06-22 16:40:45 +00:00
..
bus_if.m Add a new bus method, BUS_ADJUST_RESOURCE() that is intended to be a 2011-04-29 21:36:45 +00:00
capabilities.conf Continue to introduce Capsicum Capability Mode support: 2011-03-01 13:28:27 +00:00
clock_if.m
cpufreq_if.m
device_if.m Update comments for DEVICE_PROBE() to reflect that BUS_PROBE_DEFAULT is 2011-05-24 13:22:40 +00:00
genassym.sh
imgact_aout.c Do not trash the argv[0] pointer for an a.out process on amd64. 2011-06-16 22:00:59 +00:00
imgact_elf.c Add accounting for most of the memory-related resources. 2011-04-05 20:23:59 +00:00
imgact_elf32.c
imgact_elf64.c
imgact_gzip.c Add accounting for most of the memory-related resources. 2011-04-05 20:23:59 +00:00
imgact_shell.c The execution of the shebang script requires putting interpreter path, 2011-03-06 22:59:30 +00:00
inflate.c
init_main.c Enable accounting for RACCT_NPROC and RACCT_NTHR. 2011-03-31 19:22:11 +00:00
init_sysent.c Regen. 2011-04-18 16:32:47 +00:00
kern_acct.c Use ISO C99 integer types in sys/kern where possible. 2010-06-21 09:55:56 +00:00
kern_alq.c - Rework the underlying ALQ storage to be a circular buffer, which amongst other 2010-04-26 13:48:22 +00:00
kern_clock.c Fix several places to ignore processes that are not yet fully constructed. 2011-04-06 17:47:22 +00:00
kern_clocksource.c Set negative quality to TSC timecounter when C3 state is enabled for Intel 2011-06-22 16:40:45 +00:00
kern_condvar.c
kern_conf.c sys/sys/conf.h: 2011-06-14 16:29:43 +00:00
kern_cons.c Add descriptions to a handful of sysctl nodes. 2010-08-09 14:48:31 +00:00
kern_context.c Clear the padding when returning context to the usermode, for 2011-02-05 15:10:27 +00:00
kern_cpu.c cpufreq: allocate long-lived buffer for handling of sysctl requests 2010-07-23 16:46:42 +00:00
kern_cpuset.c Fix KTR_CPUMASK in order to accept a string representing a cpuset_t. 2011-05-31 20:48:58 +00:00
kern_ctf.c
kern_descrip.c - Do no try to drop a NULL filedesc pointer. 2011-05-12 10:56:33 +00:00
kern_dtrace.c Add some FEATURE macros for various features (AUDIT/CAM/IPC/KTR/MAC/NFS/NTP/ 2011-02-25 10:11:01 +00:00
kern_environment.c In init_dynamic_kenv(), ignore environment strings exceeding the 2011-05-23 16:40:44 +00:00
kern_et.c sysctl(9) cleanup checkpoint: amd64 GENERIC builds cleanly. 2011-01-12 19:54:19 +00:00
kern_event.c After the r219999 is merged to stable/8, rename fallocf(9) to falloc(9) 2011-04-01 13:28:34 +00:00
kern_exec.c Introduce preliminary support of the show description of the ABI of 2011-02-25 22:05:33 +00:00
kern_exit.c We should not return ECHILD when debugging a child and the parent does a 2011-06-14 17:09:30 +00:00
kern_fail.c Initialize fp_location for explicitly managed fail points, and push 2010-12-21 18:23:03 +00:00
kern_fork.c Enable accounting for RACCT_NPROC and RACCT_NTHR. 2011-03-31 19:22:11 +00:00
kern_gzio.c Do not set IO_NODELOCKED while writing to vnodes as our consumers 2010-04-30 03:10:53 +00:00
kern_hhook.c Staticize malloc types. 2011-04-13 11:28:46 +00:00
kern_idle.c On multi-core, multi-threaded PPC systems, it is important that the threads 2011-05-31 15:11:43 +00:00
kern_intr.c - Catch up to falloc() changes. 2011-04-26 07:30:52 +00:00
kern_jail.c Change the way rctl interfaces with jails by introducing prison_racct 2011-05-03 07:32:58 +00:00
kern_khelp.c Use the full and proper company name for Swinburne University of Technology 2011-04-12 08:13:18 +00:00
kern_kthread.c - Properly initialize the base priority (td_base_pri) of thread0 to PVM 2011-01-06 22:26:00 +00:00
kern_ktr.c Fix KTR_CPUMASK in order to accept a string representing a cpuset_t. 2011-05-31 20:48:58 +00:00
kern_ktrace.c Fix several places to ignore processes that are not yet fully constructed. 2011-04-06 17:47:22 +00:00
kern_linker.c Provide compat32 shims for kldstat(2). 2011-03-30 14:46:12 +00:00
kern_lock.c Add some FEATURE macros for various features (AUDIT/CAM/IPC/KTR/MAC/NFS/NTP/ 2011-02-25 10:11:01 +00:00
kern_lockf.c
kern_lockstat.c
kern_loginclass.c Add racct. It's an API to keep per-process, per-jail, per-loginclass 2011-03-29 17:47:25 +00:00
kern_malloc.c Modestly increase the maximum allowed size of the kmem map on i386. 2011-03-23 16:38:29 +00:00
kern_mbuf.c Use ISO C99 integer types in sys/kern where possible. 2010-06-21 09:55:56 +00:00
kern_mib.c sysctl(9) cleanup checkpoint: amd64 GENERIC builds cleanly. 2011-01-12 19:54:19 +00:00
kern_module.c Style fix. 2010-11-22 15:28:54 +00:00
kern_mtxpool.c
kern_mutex.c - Remove <machine/mutex.h>. Most of the headers were empty, and the 2010-11-09 20:46:41 +00:00
kern_ntptime.c Add some FEATURE macros for various features (AUDIT/CAM/IPC/KTR/MAC/NFS/NTP/ 2011-02-25 10:11:01 +00:00
kern_osd.c
kern_physio.c Account i/o done on cdevs. 2010-11-25 20:05:11 +00:00
kern_pmc.c Commit the support for removing cpumask_t and replacing it directly with 2011-05-05 14:39:14 +00:00
kern_poll.c
kern_priv.c Add an extra comment to the SDT probes definition. This allows us to get 2010-08-22 11:18:57 +00:00
kern_proc.c - Commit work from libprocstat project. These patches add support for runtime 2011-05-12 10:11:39 +00:00
kern_prot.c Notify racct when process credentials change. 2011-03-31 18:12:04 +00:00
kern_racct.c Remove definitions for RACCT_FSIZE and RACCT_SBSIZE - these two are rather 2011-05-27 19:57:58 +00:00
kern_rctl.c Remove definitions for RACCT_FSIZE and RACCT_SBSIZE - these two are rather 2011-05-27 19:57:58 +00:00
kern_resource.c Fix several places to ignore processes that are not yet fully constructed. 2011-04-06 17:47:22 +00:00
kern_rmlock.c Commit the support for removing cpumask_t and replacing it directly with 2011-05-05 14:39:14 +00:00
kern_rwlock.c Print the pointer to the lock with the panic message. The previous 2010-03-24 19:21:26 +00:00
kern_sdt.c Use ISO C99 integer types in sys/kern where possible. 2010-06-21 09:55:56 +00:00
kern_sema.c
kern_shutdown.c In the current code, a double panic condition may lead to dumps 2011-06-08 19:28:59 +00:00
kern_sig.c Fix support for RACCT_CORE by merging forgotten file. 2011-05-26 18:54:07 +00:00
kern_switch.c Update several places that iterate over CPUs to use CPU_FOREACH(). 2010-06-11 18:46:34 +00:00
kern_sx.c - Merge changes to the base system to support OFED. These include 2011-03-21 09:40:01 +00:00
kern_synch.c Simplify a stale assertion. We have not called mi_switch() from a nested 2011-05-24 13:17:08 +00:00
kern_syscalls.c Call chainevh callback when we are invoked with neither MOD_LOAD nor 2010-10-21 20:31:50 +00:00
kern_sysctl.c Use a name instead of a magic number for kern_yield(9) when the priority 2011-05-13 05:27:58 +00:00
kern_tc.c Introduce signed and unsigned version of CTLTYPE_QUAD, renaming 2011-01-19 23:00:25 +00:00
kern_thr.c Enable accounting for RACCT_NPROC and RACCT_NTHR. 2011-03-31 19:22:11 +00:00
kern_thread.c Fix some locking nits with the p_state field of struct proc: 2011-03-24 18:40:11 +00:00
kern_time.c Create a global thread hash table to speed up thread lookup, use 2010-10-09 02:50:23 +00:00
kern_timeout.c Reintroduce the fix already discussed in r216805 (please check its history 2011-04-08 18:48:57 +00:00
kern_umtx.c Expose the umtx_key structure and API to the rest of the kernel. 2011-02-23 13:19:14 +00:00
kern_uuid.c
kern_xxx.c
ksched.c Use p4prio_to_tsprio to calculate TS priority instead of using 2011-06-07 02:50:14 +00:00
link_elf.c Even if the loaded module has no symbols, we still need to notify 2011-06-16 17:41:21 +00:00
link_elf_obj.c Remove malloc(9) return value checks when M_WAITOK is used. 2011-04-16 16:20:51 +00:00
linker_if.m
Make.tags.inc
Makefile Continue to introduce Capsicum Capability Mode support: 2011-03-01 13:28:27 +00:00
makesyscalls.sh add DTrace systrace support for linux32 and freebsd32 on amd64 syscalls 2011-03-12 08:51:43 +00:00
md4c.c
md5c.c
p1003_1b.c Set various POSIX capability sysctls to the version of the API that is 2010-11-19 17:56:16 +00:00
posix4_mib.c Set various POSIX capability sysctls to the version of the API that is 2010-11-19 17:56:16 +00:00
sched_4bsd.c MFC 2011-05-31 21:22:44 +00:00
sched_ule.c Commit the support for removing cpumask_t and replacing it directly with 2011-05-05 14:39:14 +00:00
serdev_if.m
stack_protector.c Random number generator initialization cleanup: 2009-10-20 16:36:51 +00:00
subr_acl_nfs4.c Make UFS use PSARC/2010/029 NFSv4 ACL semantics by default, bringing 2011-03-22 19:52:29 +00:00
subr_acl_posix1e.c execve(2) has a special check for file permissions: a file must have at 2010-08-30 16:30:18 +00:00
subr_autoconf.c Retire PCONFIG and leave the priority of thread0 alone when waiting for 2011-01-06 22:09:37 +00:00
subr_blist.c
subr_bufring.c Switch to our preferred 2-clause BSD license. 2010-05-05 20:39:02 +00:00
subr_bus.c Add a new bus method, BUS_ADJUST_RESOURCE() that is intended to be a 2011-04-29 21:36:45 +00:00
subr_clock.c Improve style and wording of comments and sysctl descriptions [1]. 2011-01-09 14:34:56 +00:00
subr_devstat.c Instead of using an atomic operation to determine whether the devstat(9) 2011-06-13 22:08:24 +00:00
subr_disk.c Correct bioq_disksort so that bioq_insert_tail() offers barrier semantic. 2010-09-02 19:40:28 +00:00
subr_eventhandler.c Split eventhandler_register() into an internal part and a wrapper function 2010-03-19 19:51:03 +00:00
subr_fattime.c Use ISO C99 integer types in sys/kern where possible. 2010-06-21 09:55:56 +00:00
subr_firmware.c Bump up the firmware_table from 30 to 50. bwn needs more than 30, it 2010-03-07 22:37:35 +00:00
subr_hash.c Decompose the most lousy named file in sys/kern; kern_subr.c. 2010-02-21 19:53:33 +00:00
subr_hints.c
subr_kdb.c sys/kern/subr_kdb.c: 2011-06-14 21:37:25 +00:00
subr_kobj.c sysctl(9) cleanup checkpoint: amd64 GENERIC builds cleanly. 2011-01-12 19:54:19 +00:00
subr_lock.c Explicitly wire the user buffer rather than doing it implicitly in 2011-01-27 00:34:12 +00:00
subr_log.c Finish r210923, 210926. Mark some devices as eternal. 2011-01-04 10:59:38 +00:00
subr_mbpool.c
subr_mchain.c Add some FEATURE macros for various features (AUDIT/CAM/IPC/KTR/MAC/NFS/NTP/ 2011-02-25 10:11:01 +00:00
subr_module.c Provide convenience function for obtaining MODINFO_ADDR and MODINFO_SIZE 2011-02-09 19:08:21 +00:00
subr_msgbuf.c Fix a bug introduced in revision 222537. 2011-05-31 22:39:32 +00:00
subr_param.c Modestly increase the maximum allowed size of the kmem map on i386. 2011-03-23 16:38:29 +00:00
subr_pcpu.c MFC 2011-05-31 21:22:44 +00:00
subr_power.c
subr_prf.c Set pca.p_bufr to NULL when we haven't allocated a buffer. 2011-06-07 05:04:37 +00:00
subr_prof.c Revert r210225 - turns out I was wrong; the "/*-" is not license-only 2010-07-18 20:57:53 +00:00
subr_rman.c Clear the device_t pointer in 'struct resource' when releasing a device 2011-06-06 13:12:56 +00:00
subr_rtc.c Add the half of time-of-day clock resolution when we adjust system time from 2010-08-12 17:17:05 +00:00
subr_sbuf.c Use memset() instead of bzero() and memcpy() instead of bcopy(), there 2011-05-17 11:04:50 +00:00
subr_scanf.c
subr_sglist.c
subr_sleepqueue.c Explicitly wire the user buffer rather than doing it implicitly in 2011-01-27 00:34:12 +00:00
subr_smp.c MFC 2011-05-26 17:38:00 +00:00
subr_stack.c Add some FEATURE macros for various features (AUDIT/CAM/IPC/KTR/MAC/NFS/NTP/ 2011-02-25 10:11:01 +00:00
subr_taskqueue.c Implement the delayed task execution extension to the taskqueue 2011-04-26 11:39:56 +00:00
subr_trap.c Continue introducing Capsicum capability mode support: 2011-03-01 13:32:07 +00:00
subr_turnstile.c Always assert that the turnstile chain lock is held in turnstile_wait() 2011-02-04 14:16:41 +00:00
subr_uio.c Fix the check for vm_map_remove() error. 2011-03-28 19:44:54 +00:00
subr_unit.c Fix typos - remove duplicate "the". 2011-02-21 09:01:34 +00:00
subr_witness.c Fix typos - remove duplicate "the". 2011-02-21 09:01:34 +00:00
sys_capability.c - Add a FEATURE for capsicum (security_capabilities). 2011-03-04 09:03:54 +00:00
sys_generic.c For some file types, select code registers two selfd structures. E.g., 2010-08-28 17:42:08 +00:00
sys_pipe.c After the r219999 is merged to stable/8, rename fallocf(9) to falloc(9) 2011-04-01 13:28:34 +00:00
sys_process.c Add comment from CSRG rev 7.27 (1992/06/23 19:56:55; author: mckusick) 2011-06-17 21:44:13 +00:00
sys_socket.c Mfp4 CH=177274,177280,177284-177285,177297,177324-177325 2011-02-16 21:29:13 +00:00
syscalls.c Regen. 2011-04-18 16:32:47 +00:00
syscalls.master Add the posix_fallocate(2) syscall. The default implementation in 2011-04-18 16:32:22 +00:00
systrace_args.c Regen. 2011-04-18 16:32:47 +00:00
sysv_ipc.c Move SysV IPC freebsd32 compat shims helpers from freebsd32_misc.c to 2010-03-19 11:01:51 +00:00
sysv_msg.c Style fix. 2011-04-06 19:08:50 +00:00
sysv_sem.c Style fix. 2011-04-06 19:08:50 +00:00
sysv_shm.c Style fix. 2011-04-06 19:08:50 +00:00
tty.c Finish r210923, 210926. Mark some devices as eternal. 2011-01-04 10:59:38 +00:00
tty_compat.c Make TIOCSTI work again. 2010-01-04 20:59:52 +00:00
tty_info.c
tty_inq.c Remove statistics from the TTY queues. 2010-02-07 15:42:15 +00:00
tty_outq.c Remove statistics from the TTY queues. 2010-02-07 15:42:15 +00:00
tty_pts.c Add accounting for RACCT_NPTS. 2011-04-02 15:02:42 +00:00
tty_tty.c Finish r210923, 210926. Mark some devices as eternal. 2011-01-04 10:59:38 +00:00
tty_ttydisc.c Print backspaces after echoing an EOF. 2009-10-17 08:59:41 +00:00
uipc_accf.c (S)LIST_HEAD_INITIALIZER takes a (S)LIST_HEAD as an argument. 2009-12-28 22:56:30 +00:00
uipc_cow.c Add some FEATURE macros for various features (AUDIT/CAM/IPC/KTR/MAC/NFS/NTP/ 2011-02-25 10:11:01 +00:00
uipc_debug.c
uipc_domain.c
uipc_mbuf.c Fix typos - remove duplicate "the". 2011-02-21 09:01:34 +00:00
uipc_mbuf2.c Use ISO C99 integer types in sys/kern where possible. 2010-06-21 09:55:56 +00:00
uipc_mqueue.c After the r219999 is merged to stable/8, rename fallocf(9) to falloc(9) 2011-04-01 13:28:34 +00:00
uipc_sem.c After the r219999 is merged to stable/8, rename fallocf(9) to falloc(9) 2011-04-01 13:28:34 +00:00
uipc_shm.c After the r219999 is merged to stable/8, rename fallocf(9) to falloc(9) 2011-04-01 13:28:34 +00:00
uipc_sockbuf.c Revert r194662, since it breaks ng_ksocket(4) and may break 2011-04-14 14:54:22 +00:00
uipc_socket.c In soreceive_generic(), if MSG_WAITALL is set but the request is 2011-05-29 18:00:50 +00:00
uipc_syscalls.c Log the socket address passed as the destination to sendto() and sendmsg() 2011-06-07 17:40:33 +00:00
uipc_usrreq.c Mfp4 CH=177274,177280,177284-177285,177297,177324-177325 2011-02-16 21:29:13 +00:00
vfs_acl.c The 'acl_cnt' field is unsigned; no point in checking if it's >= 0. 2010-06-03 13:45:27 +00:00
vfs_aio.c Create a global thread hash table to speed up thread lookup, use 2010-10-09 02:50:23 +00:00
vfs_bio.c - When printing bufs with show buf the lblkno is often more useful than 2011-06-10 22:15:36 +00:00
vfs_cache.c Fix some more style(9) issues. 2010-11-14 16:10:15 +00:00
vfs_cluster.c The hardware has caught up; improvements are now observed even at 128, 2011-03-16 16:22:59 +00:00
vfs_default.c Add a lock flags argument to the VFS_FHTOVP() file system 2011-05-22 01:07:54 +00:00
vfs_export.c
vfs_extattr.c Revert r210225 - turns out I was wrong; the "/*-" is not license-only 2010-07-18 20:57:53 +00:00
vfs_hash.c
vfs_init.c
vfs_lookup.c Add an extra comment to the SDT probes definition. This allows us to get 2010-08-22 11:18:57 +00:00
vfs_mount.c Use a name instead of a magic number for kern_yield(9) when the priority 2011-05-13 05:27:58 +00:00
vfs_mountroot.c Make RB_CDROM work. This should probably check for a disc in cd1 and acd1 2011-01-08 19:50:13 +00:00
vfs_subr.c Use a name instead of a magic number for kern_yield(9) when the priority 2011-05-13 05:27:58 +00:00
vfs_syscalls.c Add a lock flags argument to the VFS_FHTOVP() file system 2011-05-22 01:07:54 +00:00
vfs_vnops.c Use a name instead of a magic number for kern_yield(9) when the priority 2011-05-13 05:27:58 +00:00
vnode_if.src Correctly use INOUT for the offset/len parameters to vop_allocate. As 2011-05-13 14:29:28 +00:00