Linus Torvalds 44b6ed4cfa Clang feature updates for v5.14-rc1 ...

- Add CC_HAS_NO_PROFILE_FN_ATTR in preparation for PGO support in
   the face of the noinstr attribute, paving the way for PGO and fixing
   GCOV. (Nick Desaulniers)
 
 - x86_64 LTO coverage is expanded to 32-bit x86. (Nathan Chancellor)
 
 - Small fixes to CFI. (Mark Rutland, Nathan Chancellor)
 -----BEGIN PGP SIGNATURE-----
 
 iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmDbiFYWHGtlZXNjb29r
 QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJtd7D/9O7KE4M1O38TumCK9e6djPETb6
 CHF5dpxnV5w1ZWgBysy8+nZ0ORWAm05rgF65K4ROBUhdrygEElIIkI88a/F9pDyE
 99E0WTgQi4x4pFFJHF1Sj2G6YoCqrvFpZ45fMd8xk3y/sykhKO4k2A2ux1cHH1zh
 yYkzASDdukpr/xfcu1JCSFyjRU3Yk9aRzpg0PtrcMSDDuCYqg+oL91rxtkdXc6wS
 FbVSkUiFQq+RZk9h6DaiVDen/rPvo4rqgQYbdVM8s94gMaHA4MiMiQE6cKkClfdp
 zacqqh9Cjaeyievz6jkVSqFtmO7e231E6kAWg/ebqVjs6WIcS3NVEfGGjCEaCuMq
 qKy/m30YzpJ0jLbbQ9L/Cm3xu5ZqfSaQBQmBjNcBMkeMQN8o/P6qt6UASZfBXXCs
 ++MUpNQEJqxCyZdwu/6qlzfKUiGo5AJo7RRes5/shqTXQLLBni4j7vtkSYZsfPYr
 b1nHk6TnyY7PjcMekG/IWU89pMchEDswGxSGlrqoop1kT3zumzJeZdPAB8sdNjI8
 aBb120qLIC8n9ybZZsNliNtK4IHerBOxDDJB40EEbtBCPowZDEUt/z/DQrKjbOv4
 viOulu1D8f/MDXVBx2aTXGpMo/jQf7bKRITtpzt1eFWSTZzqCqWLfGRq2myjz0t5
 f2x1rpJLC2oV4KNCYw==
 =IhVh
 -----END PGP SIGNATURE-----

Merge tag 'clang-features-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull clang feature updates from Kees Cook:

 - Add CC_HAS_NO_PROFILE_FN_ATTR in preparation for PGO support in the
   face of the noinstr attribute, paving the way for PGO and fixing
   GCOV. (Nick Desaulniers)

 - x86_64 LTO coverage is expanded to 32-bit x86. (Nathan Chancellor)

 - Small fixes to CFI. (Mark Rutland, Nathan Chancellor)

* tag 'clang-features-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  qemu_fw_cfg: Make fw_cfg_rev_attr a proper kobj_attribute
  Kconfig: Introduce ARCH_WANTS_NO_INSTR and CC_HAS_NO_PROFILE_FN_ATTR
  compiler_attributes.h: cleanups for GCC 4.9+
  compiler_attributes.h: define __no_profile, add to noinstr
  x86, lto: Enable Clang LTO for 32-bit as well
  CFI: Move function_nocfi() into compiler.h
  MAINTAINERS: Add Clang CFI section

2021-06-30 14:33:25 -07:00

..

bpf

bpf: Fix leakage under speculation on mispredicted branches

2021-06-14 23:06:10 +02:00

cgroup

Merge branch 'akpm' (patches from Andrew)

2021-06-29 17:29:11 -07:00

configs

drivers/char: remove /dev/kmem for good

2021-05-07 00:26:34 -07:00

debug

printk changes for 5.14

2021-06-29 12:07:18 -07:00

dma

Merge branch 'stable/for-linus-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb

2021-06-23 09:04:07 -07:00

entry

tick/nohz: Only check for RCU deferred wakeup on user/guest entry when needed

2021-05-31 10:14:49 +02:00

events

Merge branch 'akpm' (patches from Andrew)

2021-06-29 17:29:11 -07:00

gcov

Kconfig: Introduce ARCH_WANTS_NO_INSTR and CC_HAS_NO_PROFILE_FN_ATTR

2021-06-22 11:07:18 -07:00

irq

irqchip updates for 5.14

2021-06-28 11:55:20 +02:00

kcsan

sched: Introduce task_is_running()

2021-06-18 11:43:07 +02:00

livepatch

Livepatching changes for 5.13

2021-04-27 18:14:38 -07:00

locking

Scheduler udpates for this cycle:

2021-06-28 12:14:19 -07:00

power

PM: hibernate: remove leading spaces before tabs

2021-06-11 18:52:05 +02:00

printk

printk changes for 5.14

2021-06-29 12:07:18 -07:00

rcu

sched: Change task_struct::state

2021-06-18 11:43:09 +02:00

sched

for-5.14/block-2021-06-29

2021-06-30 12:12:56 -07:00

time

-----BEGIN PGP SIGNATURE-----

2021-06-29 12:31:16 -07:00

trace

tracing: Do no increment trace_clock_global() by one

2021-06-18 09:10:00 -04:00

.gitignore

.gitignore: prefix local generated files with a slash

2021-05-02 00:43:35 +09:00

acct.c

kernel/acct.c: use #elif instead of #end and #elif

2020-12-15 22:46:15 -08:00

async.c

kernel/async.c: remove async_unregister_domain()

2021-05-07 00:26:33 -07:00

audit_fsnotify.c

audit_alloc_mark(): don't open-code ERR_CAST()

2021-02-23 10:25:27 -05:00

audit_tree.c

fsnotify: generalize handle_inode_event()

2020-12-03 14:58:35 +01:00

audit_watch.c

fsnotify: generalize handle_inode_event()

2020-12-03 14:58:35 +01:00

audit.c

lsm: separate security_task_getsecid() into subjective and objective variants

2021-03-22 15:23:32 -04:00

audit.h

audit: avoid -Wempty-body warning

2021-03-24 12:11:48 -04:00

auditfilter.c

lsm: separate security_task_getsecid() into subjective and objective variants

2021-03-22 15:23:32 -04:00

auditsc.c

audit/stable-5.13 PR 20210426

2021-04-27 13:50:58 -07:00

backtracetest.c

treewide: Replace DECLARE_TASKLET() with DECLARE_TASKLET_OLD()

2020-07-30 11:15:58 -07:00

bounds.c

…

capability.c

capability: handle idmapped mounts

2021-01-24 14:27:16 +01:00

cfi.c

add support for Clang CFI

2021-04-08 16:04:20 -07:00

compat.c

treewide: Use fallthrough pseudo-keyword

2020-08-23 17:36:59 -05:00

configs.c

…

context_tracking.c

context_tracking: Ensure that the critical path cannot be instrumented

2020-06-11 15:14:36 +02:00

cpu_pm.c

notifier: Fix broken error handling pattern

2020-09-01 09:58:03 +02:00

cpu.c

A fix for the CPU hotplug and cpusets interaction:

2021-06-29 12:23:02 -07:00

crash_core.c

mm: replace CONFIG_FLAT_NODE_MEM_MAP with CONFIG_FLATMEM

2021-06-29 10:53:55 -07:00

crash_dump.c

…

cred.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-06-28 20:39:26 -07:00

delayacct.c

delayacct: Add sysctl to enable at runtime

2021-05-12 11:43:25 +02:00

dma.c

…

exec_domain.c

…

exit.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-06-28 20:39:26 -07:00

extable.c

…

fail_function.c

fault-injection: handle EI_ETYPE_TRUE

2020-12-15 22:46:19 -08:00

fork.c

Merge branch 'akpm' (patches from Andrew)

2021-06-29 17:29:11 -07:00

freezer.c

sched: Add get_current_state()

2021-06-18 11:43:08 +02:00

futex.c

Locking changes for this cycle:

2021-06-28 11:45:29 -07:00

gen_kheaders.sh

kbuild: redo fake deps at include/config/*.h

2021-04-25 05:26:10 +09:00

groups.c

groups: simplify struct group_info allocation

2021-02-26 09:41:03 -08:00

hung_task.c

sched: Change task_struct::state

2021-06-18 11:43:09 +02:00

iomem.c

…

irq_work.c

irq_work: Make irq_work_queue() NMI-safe again

2021-06-10 10:00:08 +02:00

jump_label.c

jump_label: Free jump_entry::key bit1 for build use

2021-05-12 14:54:55 +02:00

kallsyms.c

kallsyms: strip ThinLTO hashes from static functions

2021-04-08 16:04:21 -07:00

kcmp.c

Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2020-12-15 19:36:48 -08:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.locks

…

Kconfig.preempt

sched: Add CONFIG_SCHED_CORE help text

2021-06-01 16:00:10 +02:00

kcov.c

kernel: make kcov_common_handle consider the current context

2020-11-02 18:00:20 -08:00

kexec_core.c

kexec: dump kmessage before machine_kexec

2021-05-07 00:26:32 -07:00

kexec_elf.c

…

kexec_file.c

kernel: kexec_file: fix error return code of kexec_calculate_store_digests()

2021-05-07 00:26:32 -07:00

kexec_internal.h

kexec: move machine_kexec_post_load() to public interface

2021-02-22 12:33:26 +00:00

kexec.c

LSM: Introduce kernel_post_load_data() hook

2020-10-05 13:37:03 +02:00

kheaders.c

…

kmod.c

modules: add CONFIG_MODPROBE_PATH

2021-05-07 00:26:33 -07:00

kprobes.c

kprobes: Remove kprobe::fault_handler

2021-06-01 16:00:08 +02:00

ksysfs.c

…

kthread.c

Merge branch 'akpm' (patches from Andrew)

2021-06-29 17:29:11 -07:00

latencytop.c

…

Makefile

kbuild: update config_data.gz only when the content of .config is changed

2021-05-02 00:43:35 +09:00

module_signature.c

module: harden ELF info handling

2021-01-19 10:24:45 +01:00

module_signing.c

module: harden ELF info handling

2021-01-19 10:24:45 +01:00

module-internal.h

…

module.c

module: limit enabling module.sig_enforce

2021-06-22 11:13:19 -07:00

notifier.c

notifier: Fix broken error handling pattern

2020-09-01 09:58:03 +02:00

nsproxy.c

fixes-v5.11

2020-12-14 16:40:27 -08:00

padata.c

padata: fix possible padata_works_lock deadlock

2020-09-04 17:51:55 +10:00

panic.c

panic: don't dump stack twice on warn

2020-11-14 11:26:04 -08:00

params.c

Modules updates for v5.11

2020-12-17 13:01:31 -08:00

pid_namespace.c

fixes-v5.11

2020-12-14 16:40:27 -08:00

pid.c

Merge branch 'exec-update-lock-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2020-12-15 19:36:48 -08:00

profile.c

kernel: Initialize cpumask before parsing

2021-04-10 13:35:54 +02:00

ptrace.c

sched: Change task_struct::state

2021-06-18 11:43:09 +02:00

range.c

kernel.h: split out min()/max() et al. helpers

2020-10-16 11:11:19 -07:00

reboot.c

reboot: Add hardware protection power-off

2021-06-21 13:08:36 +01:00

regset.c

regset: kill ->get()

2020-07-27 14:31:12 -04:00

relay.c

relay: allow the use of const callback structs

2020-12-15 22:46:18 -08:00

resource_kunit.c

resource: provide meaningful MODULE_LICENSE() in test suite

2020-11-25 18:52:35 +01:00

resource.c

kernel/resource: fix return code check in __request_free_mem_region

2021-05-14 19:41:32 -07:00

rseq.c

rseq: Optimise rseq_get_rseq_cs() and clear_rseq_cs()

2021-04-14 18:04:09 +02:00

scftorture.c

scftorture: Add debug output for wrong-CPU warning

2021-01-04 13:53:41 -08:00

scs.c

scs: switch to vmapped shadow stacks

2020-12-01 10:30:28 +00:00

seccomp.c

seccomp: Support atomic "addfd + send reply"

2021-06-28 12:49:52 -07:00

signal.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-06-28 20:39:26 -07:00

smp.c

smp: Fix smp_call_function_single_async prototype

2021-05-06 15:33:49 +02:00

smpboot.c

sched/core: Initialize the idle task with preemption disabled

2021-05-12 13:01:45 +02:00

smpboot.h

…

softirq.c

sched: Introduce task_is_running()

2021-06-18 11:43:07 +02:00

stackleak.c

stackleak: let stack_erasing_sysctl take a kernel pointer buffer

2020-09-19 13:13:39 -07:00

stacktrace.c

stacktrace: Remove reliable argument from arch_stack_walk() callback

2020-09-18 14:24:16 +01:00

static_call.c

static_call: Fix unused variable warn w/o MODULE

2021-04-09 13:22:12 +02:00

stop_machine.c

stop_machine: Add caller debug info to queue_stop_cpus_work

2021-03-23 16:01:58 +01:00

sys_ni.c

Add Landlock, a new LSM from Mickaël Salaün <mic@linux.microsoft.com>

2021-05-01 18:50:44 -07:00

sys.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-06-28 20:39:26 -07:00

sysctl-test.c

…

sysctl.c

for-5.14/block-2021-06-29

2021-06-30 12:12:56 -07:00

task_work.c

kasan: record task_work_add() call stack

2021-04-30 11:20:42 -07:00

taskstats.c

treewide: rename nla_strlcpy to nla_strscpy.

2020-11-16 08:08:54 -08:00

test_kprobes.c

…

torture.c

torture: Replace torture_init_begin string with %s

2021-03-08 14:22:28 -08:00

tracepoint.c

tracepoints: Code clean up

2021-02-09 12:27:29 -05:00

tsacct.c

…

ucount.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-06-28 20:39:26 -07:00

uid16.c

…

uid16.h

…

umh.c

kernel/umh.c: fix some spelling mistakes

2021-05-07 00:26:34 -07:00

up.c

A set of locking related fixes and updates:

2021-05-09 13:07:03 -07:00

user_namespace.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace

2021-06-28 20:39:26 -07:00

user-return-notifier.c

…

user.c

Reimplement RLIMIT_MEMLOCK on top of ucounts

2021-04-30 14:14:02 -05:00

usermode_driver.c

bpf: Fix umd memory leak in copy_process()

2021-03-19 22:23:19 +01:00

utsname_sysctl.c

…

utsname.c

uts: Use generic ns_common::count

2020-08-19 14:13:20 +02:00

watch_queue.c

watch_queue: rectify kernel-doc for init_watch()

2021-01-26 11:16:34 +00:00

watchdog_hld.c

…

watchdog.c

kernel: watchdog: modify the explanation related to watchdog thread

2021-06-29 10:53:46 -07:00

workqueue_internal.h

…

workqueue.c

wq: handle VM suspension in stall detection

2021-05-20 12:58:30 -04:00