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Eric W. Biederman af5eeab7e8 signal: Factor force_sig_perf out of perf_sigtrap 
Separate filling in siginfo for TRAP_PERF from deciding that
siginal needs to be sent.

There are enough little details that need to be correct when
properly filling in siginfo_t that it is easy to make mistakes
if filling in the siginfo_t is in the same function with other
logic.  So factor out force_sig_perf to reduce the cognative
load of on reviewers, maintainers and implementors.

v1: https://lkml.kernel.org/r/m17dkjqqxz.fsf_-_@fess.ebiederm.org
v2: https://lkml.kernel.org/r/20210505141101.11519-10-ebiederm@xmission.com
Link: https://lkml.kernel.org/r/20210517195748.8880-3-ebiederm@xmission.com
Reviewed-by: Marco Elver <elver@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2021-05-18 16:20:54 -05:00
..
bpf
Merge tag 'selinux-pr-20210426' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2021-04-27 13:42:11 -07:00
cgroup
cgroup: use tsk->in_iowait instead of delayacct_is_task_waiting_on_io()
2021-04-16 16:49:37 -04:00
configs
…
debug
Merge tag 'printk-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
2021-04-27 18:09:44 -07:00
dma
Merge branch 'stable/for-linus-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
2021-02-26 13:59:32 -08:00
entry
Merge tag 'core-entry-2021-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-26 09:41:15 -07:00
events
signal: Factor force_sig_perf out of perf_sigtrap
2021-05-18 16:20:54 -05:00
gcov
Revert "gcov: clang: fix clang-11+ build"
2021-04-19 15:08:49 -07:00
irq
Merge tag 'irq-core-2021-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-26 09:43:16 -07:00
kcsan
kcsan: Fix printk format string
2021-04-22 14:36:03 +02:00
livepatch
Merge tag 'livepatching-for-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching
2021-04-27 18:14:38 -07:00
locking
Merge tag 'locking-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-28 12:37:53 -07:00
power
PM: sleep: fix typos in comments
2021-04-08 19:37:21 +02:00
printk
kernel/printk.c: Fixed mundane typos
2021-03-30 15:34:17 +02:00
rcu
Merge branches 'bitmaprange.2021.03.08a', 'fixes.2021.03.15a', 'kvfree_rcu.2021.03.08a', 'mmdumpobj.2021.03.08a', 'nocb.2021.03.15a', 'poll.2021.03.24a', 'rt.2021.03.08a', 'tasks.2021.03.08a', 'torture.2021.03.08a' and 'torturescript.2021.03.22a' into HEAD
2021-03-24 17:20:18 -07:00
sched
Merge tag 'locking-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-28 12:37:53 -07:00
time
Merge tag 'pm-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2021-04-26 15:10:25 -07:00
trace
Merge tag 'irq-core-2021-04-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-26 09:43:16 -07:00
.gitignore
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acct.c
…
async.c
…
audit_fsnotify.c
audit_alloc_mark(): don't open-code ERR_CAST()
2021-02-23 10:25:27 -05:00
audit_tree.c
…
audit_watch.c
…
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
Merge tag 'audit-pr-20210426' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2021-04-27 13:50:58 -07:00
backtracetest.c
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bounds.c
…
capability.c
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cfi.c
add support for Clang CFI
2021-04-08 16:04:20 -07:00
compat.c
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configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
…
crash_core.c
…
crash_dump.c
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cred.c
…
delayacct.c
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dma.c
…
exec_domain.c
…
exit.c
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extable.c
…
fail_function.c
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fork.c
Merge tag 'perf-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-28 13:03:44 -07:00
freezer.c
Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing"
2021-03-27 14:09:10 -06:00
futex.c
Merge tag 'v5.12-rc5' into locking/core, to pick up fixes
2021-03-29 15:56:48 +02:00
gen_kheaders.sh
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groups.c
groups: simplify struct group_info allocation
2021-02-26 09:41:03 -08:00
hung_task.c
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iomem.c
…
irq_work.c
…
jump_label.c
static_call: Fix static_call_update() sanity check
2021-03-19 13:16:44 +01:00
kallsyms.c
kallsyms: strip ThinLTO hashes from static functions
2021-04-08 16:04:21 -07:00
kcmp.c
…
Kconfig.freezer
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Kconfig.hz
…
Kconfig.locks
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Kconfig.preempt
preempt: Introduce CONFIG_PREEMPT_DYNAMIC
2021-02-17 14:12:24 +01:00
kcov.c
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kexec_core.c
Merge branch 'work.elf-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-02-21 09:29:23 -08:00
kexec_elf.c
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kexec_file.c
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kexec_internal.h
kexec: move machine_kexec_post_load() to public interface
2021-02-22 12:33:26 +00:00
kexec.c
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kheaders.c
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kmod.c
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kprobes.c
kprobes: Fix to delay the kprobes jump optimization
2021-02-19 14:57:12 -05:00
ksysfs.c
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kthread.c
kthread: use WARN_ON_FUNCTION_MISMATCH
2021-04-08 16:04:21 -07:00
latencytop.c
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Makefile
add support for Clang CFI
2021-04-08 16:04:20 -07:00
module_signature.c
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module_signing.c
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module-internal.h
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module.c
add support for Clang CFI
2021-04-08 16:04:20 -07:00
notifier.c
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nsproxy.c
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padata.c
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panic.c
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params.c
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pid_namespace.c
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pid.c
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profile.c
kernel: Initialize cpumask before parsing
2021-04-10 13:35:54 +02:00
ptrace.c
Revert "kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals"
2021-03-27 14:09:10 -06:00
range.c
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reboot.c
Revert "PM: ACPI: reboot: Use S5 for reboot"
2021-03-18 16:58:02 +01:00
regset.c
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relay.c
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resource_kunit.c
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resource.c
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rseq.c
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scftorture.c
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scs.c
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seccomp.c
seccomp: Fix "cacheable" typo in comments
2021-03-30 22:34:30 -07:00
signal.c
signal: Factor force_sig_perf out of perf_sigtrap
2021-05-18 16:20:54 -05:00
smp.c
locking/csd_lock: Add more data to CSD lock debugging
2021-03-06 12:49:48 +01:00
smpboot.c
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smpboot.h
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softirq.c
Merge tag 'core-rcu-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2021-04-28 12:00:13 -07:00
stackleak.c
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stacktrace.c
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static_call.c
static_call: Fix unused variable warn w/o MODULE
2021-04-09 13:22:12 +02:00
stop_machine.c
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sys_ni.c
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sys.c
arm64: Introduce prctl(PR_PAC_{SET,GET}_ENABLED_KEYS)
2021-04-13 17:31:44 +01:00
sysctl-test.c
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sysctl.c
sysctl.c: fix underflow value setting risk in vm_table
2021-02-26 09:41:03 -08:00
task_work.c
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taskstats.c
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test_kprobes.c
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torture.c
torture: Replace torture_init_begin string with %s
2021-03-08 14:22:28 -08:00
tracepoint.c
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tsacct.c
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ucount.c
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uid16.c
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uid16.h
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umh.c
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up.c
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user_namespace.c
capabilities: require CAP_SETFCAP to map uid 0
2021-04-20 14:28:33 -07:00
user-return-notifier.c
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user.c
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usermode_driver.c
bpf: Fix umd memory leak in copy_process()
2021-03-19 22:23:19 +01:00
utsname_sysctl.c
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utsname.c
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watch_queue.c
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watchdog_hld.c
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watchdog.c
workqueue/watchdog: Make unbound workqueues aware of touch_softlockup_watchdog()
2021-04-04 13:26:49 -04:00
workqueue_internal.h
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workqueue.c
Merge tag 'cfi-v5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2021-04-27 10:16:46 -07:00