On Tue, May 11, 2021 at 10:41:37AM +0300, Andy Shevchenko wrote: > kernel.h is being used as a dump for all kinds of stuff for a long time. > Here is the attempt to start cleaning it up by splitting out panic and > oops helpers. > > There are several purposes of doing this: > - dropping dependency in bug.h > - dropping a loop by moving out panic_notifier.h > - unload kernel.h from something which has its own domain > > At the same time convert users tree-wide to use new headers, although > for the time being include new header back to kernel.h to avoid twisted > indirected includes for existing users. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > Acked-by: Mike Rapoport <rppt@xxxxxxxxxxxxx> > Acked-by: Corey Minyard <cminyard@xxxxxxxxxx> > Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx> > Acked-by: Arnd Bergmann <arnd@xxxxxxxx> > Acked-by: Kees Cook <keescook@xxxxxxxxxxxx> > Acked-by: Wei Liu <wei.liu@xxxxxxxxxx> > Acked-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> > Co-developed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Acked-by: Sebastian Reichel <sre@xxxxxxxxxx> > Acked-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> > Acked-by: Stephen Boyd <sboyd@xxxxxxxxxx> > Acked-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> > Acked-by: Helge Deller <deller@xxxxxx> # parisc > --- > v3: rebased on top of v5.13-rc1, collected a few more tags > > Note WRT Andrew's SoB tag above: I have added it since part of the cases > I took from him. Andrew, feel free to amend or tell me how you want me > to do. > > arch/alpha/kernel/setup.c | 2 +- > arch/arm64/kernel/setup.c | 1 + > arch/mips/kernel/relocate.c | 1 + > arch/mips/sgi-ip22/ip22-reset.c | 1 + > arch/mips/sgi-ip32/ip32-reset.c | 1 + > arch/parisc/kernel/pdc_chassis.c | 1 + > arch/powerpc/kernel/setup-common.c | 1 + > arch/s390/kernel/ipl.c | 1 + > arch/sparc/kernel/sstate.c | 1 + > arch/um/drivers/mconsole_kern.c | 1 + > arch/um/kernel/um_arch.c | 1 + > arch/x86/include/asm/desc.h | 1 + > arch/x86/kernel/cpu/mshyperv.c | 1 + > arch/x86/kernel/setup.c | 1 + > arch/x86/purgatory/purgatory.c | 2 + > arch/x86/xen/enlighten.c | 1 + > arch/xtensa/platforms/iss/setup.c | 1 + > drivers/bus/brcmstb_gisb.c | 1 + > drivers/char/ipmi/ipmi_msghandler.c | 1 + > drivers/clk/analogbits/wrpll-cln28hpc.c | 4 + > drivers/edac/altera_edac.c | 1 + > drivers/firmware/google/gsmi.c | 1 + > drivers/hv/vmbus_drv.c | 1 + > .../hwtracing/coresight/coresight-cpu-debug.c | 1 + Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > drivers/leds/trigger/ledtrig-activity.c | 1 + > drivers/leds/trigger/ledtrig-heartbeat.c | 1 + > drivers/leds/trigger/ledtrig-panic.c | 1 + > drivers/misc/bcm-vk/bcm_vk_dev.c | 1 + > drivers/misc/ibmasm/heartbeat.c | 1 + > drivers/misc/pvpanic/pvpanic.c | 1 + > drivers/net/ipa/ipa_smp2p.c | 1 + > drivers/parisc/power.c | 1 + > drivers/power/reset/ltc2952-poweroff.c | 1 + > drivers/remoteproc/remoteproc_core.c | 1 + Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx> > drivers/s390/char/con3215.c | 1 + > drivers/s390/char/con3270.c | 1 + > drivers/s390/char/sclp.c | 1 + > drivers/s390/char/sclp_con.c | 1 + > drivers/s390/char/sclp_vt220.c | 1 + > drivers/s390/char/zcore.c | 1 + > drivers/soc/bcm/brcmstb/pm/pm-arm.c | 1 + > drivers/staging/olpc_dcon/olpc_dcon.c | 1 + > drivers/video/fbdev/hyperv_fb.c | 1 + > include/asm-generic/bug.h | 3 +- > include/linux/kernel.h | 84 +--------------- > include/linux/panic.h | 98 +++++++++++++++++++ > include/linux/panic_notifier.h | 12 +++ > kernel/hung_task.c | 1 + > kernel/kexec_core.c | 1 + > kernel/panic.c | 1 + > kernel/rcu/tree.c | 2 + > kernel/sysctl.c | 1 + > kernel/trace/trace.c | 1 + > 53 files changed, 167 insertions(+), 85 deletions(-) > create mode 100644 include/linux/panic.h > create mode 100644 include/linux/panic_notifier.h > > diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c > index 03dda3beb3bd..5d1296534682 100644 > --- a/arch/alpha/kernel/setup.c > +++ b/arch/alpha/kernel/setup.c > @@ -28,6 +28,7 @@ > #include <linux/init.h> > #include <linux/string.h> > #include <linux/ioport.h> > +#include <linux/panic_notifier.h> > #include <linux/platform_device.h> > #include <linux/memblock.h> > #include <linux/pci.h> > @@ -46,7 +47,6 @@ > #include <linux/log2.h> > #include <linux/export.h> > > -extern struct atomic_notifier_head panic_notifier_list; > static int alpha_panic_event(struct notifier_block *, unsigned long, void *); > static struct notifier_block alpha_panic_block = { > alpha_panic_event, > diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c > index 61845c0821d9..787bc0f601b3 100644 > --- a/arch/arm64/kernel/setup.c > +++ b/arch/arm64/kernel/setup.c > @@ -23,6 +23,7 @@ > #include <linux/interrupt.h> > #include <linux/smp.h> > #include <linux/fs.h> > +#include <linux/panic_notifier.h> > #include <linux/proc_fs.h> > #include <linux/memblock.h> > #include <linux/of_fdt.h> > diff --git a/arch/mips/kernel/relocate.c b/arch/mips/kernel/relocate.c > index 499a5357c09f..56b51de2dc51 100644 > --- a/arch/mips/kernel/relocate.c > +++ b/arch/mips/kernel/relocate.c > @@ -18,6 +18,7 @@ > #include <linux/kernel.h> > #include <linux/libfdt.h> > #include <linux/of_fdt.h> > +#include <linux/panic_notifier.h> > #include <linux/sched/task.h> > #include <linux/start_kernel.h> > #include <linux/string.h> > diff --git a/arch/mips/sgi-ip22/ip22-reset.c b/arch/mips/sgi-ip22/ip22-reset.c > index c374f3ceec38..9028dbbb45dd 100644 > --- a/arch/mips/sgi-ip22/ip22-reset.c > +++ b/arch/mips/sgi-ip22/ip22-reset.c > @@ -12,6 +12,7 @@ > #include <linux/kernel.h> > #include <linux/sched/signal.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/pm.h> > #include <linux/timer.h> > > diff --git a/arch/mips/sgi-ip32/ip32-reset.c b/arch/mips/sgi-ip32/ip32-reset.c > index 20d8637340be..18d1c115cd53 100644 > --- a/arch/mips/sgi-ip32/ip32-reset.c > +++ b/arch/mips/sgi-ip32/ip32-reset.c > @@ -12,6 +12,7 @@ > #include <linux/init.h> > #include <linux/kernel.h> > #include <linux/module.h> > +#include <linux/panic_notifier.h> > #include <linux/sched.h> > #include <linux/sched/signal.h> > #include <linux/notifier.h> > diff --git a/arch/parisc/kernel/pdc_chassis.c b/arch/parisc/kernel/pdc_chassis.c > index 75ae88d13909..da154406d368 100644 > --- a/arch/parisc/kernel/pdc_chassis.c > +++ b/arch/parisc/kernel/pdc_chassis.c > @@ -20,6 +20,7 @@ > #include <linux/init.h> > #include <linux/module.h> > #include <linux/kernel.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/notifier.h> > #include <linux/cache.h> > diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c > index 74a98fff2c2f..046fe21b5c3b 100644 > --- a/arch/powerpc/kernel/setup-common.c > +++ b/arch/powerpc/kernel/setup-common.c > @@ -9,6 +9,7 @@ > #undef DEBUG > > #include <linux/export.h> > +#include <linux/panic_notifier.h> > #include <linux/string.h> > #include <linux/sched.h> > #include <linux/init.h> > diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c > index dba04fbc37a2..36f870dc944f 100644 > --- a/arch/s390/kernel/ipl.c > +++ b/arch/s390/kernel/ipl.c > @@ -13,6 +13,7 @@ > #include <linux/init.h> > #include <linux/device.h> > #include <linux/delay.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/ctype.h> > #include <linux/fs.h> > diff --git a/arch/sparc/kernel/sstate.c b/arch/sparc/kernel/sstate.c > index ac8677c3841e..3bcc4ddc6911 100644 > --- a/arch/sparc/kernel/sstate.c > +++ b/arch/sparc/kernel/sstate.c > @@ -6,6 +6,7 @@ > > #include <linux/kernel.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/init.h> > > diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c > index 6d00af25ec6b..328b16f99b30 100644 > --- a/arch/um/drivers/mconsole_kern.c > +++ b/arch/um/drivers/mconsole_kern.c > @@ -12,6 +12,7 @@ > #include <linux/mm.h> > #include <linux/module.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/sched/debug.h> > #include <linux/proc_fs.h> > diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c > index 74e07e748a9b..9512253947d5 100644 > --- a/arch/um/kernel/um_arch.c > +++ b/arch/um/kernel/um_arch.c > @@ -7,6 +7,7 @@ > #include <linux/init.h> > #include <linux/mm.h> > #include <linux/module.h> > +#include <linux/panic_notifier.h> > #include <linux/seq_file.h> > #include <linux/string.h> > #include <linux/utsname.h> > diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h > index 476082a83d1c..ceb12683b6d1 100644 > --- a/arch/x86/include/asm/desc.h > +++ b/arch/x86/include/asm/desc.h > @@ -9,6 +9,7 @@ > #include <asm/irq_vectors.h> > #include <asm/cpu_entry_area.h> > > +#include <linux/debug_locks.h> > #include <linux/smp.h> > #include <linux/percpu.h> > > diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c > index 22f13343b5da..9e5c6f2b044d 100644 > --- a/arch/x86/kernel/cpu/mshyperv.c > +++ b/arch/x86/kernel/cpu/mshyperv.c > @@ -17,6 +17,7 @@ > #include <linux/irq.h> > #include <linux/kexec.h> > #include <linux/i8253.h> > +#include <linux/panic_notifier.h> > #include <linux/random.h> > #include <asm/processor.h> > #include <asm/hypervisor.h> > diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c > index 72920af0b3c0..bdcdd29efea6 100644 > --- a/arch/x86/kernel/setup.c > +++ b/arch/x86/kernel/setup.c > @@ -14,6 +14,7 @@ > #include <linux/initrd.h> > #include <linux/iscsi_ibft.h> > #include <linux/memblock.h> > +#include <linux/panic_notifier.h> > #include <linux/pci.h> > #include <linux/root_dev.h> > #include <linux/hugetlb.h> > diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c > index f03b64d9cb51..7558139920f8 100644 > --- a/arch/x86/purgatory/purgatory.c > +++ b/arch/x86/purgatory/purgatory.c > @@ -9,6 +9,8 @@ > */ > > #include <linux/bug.h> > +#include <linux/kernel.h> > +#include <linux/types.h> > #include <crypto/sha2.h> > #include <asm/purgatory.h> > > diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c > index aa9f50fccc5d..c79bd0af2e8c 100644 > --- a/arch/x86/xen/enlighten.c > +++ b/arch/x86/xen/enlighten.c > @@ -6,6 +6,7 @@ > #include <linux/cpu.h> > #include <linux/kexec.h> > #include <linux/slab.h> > +#include <linux/panic_notifier.h> > > #include <xen/xen.h> > #include <xen/features.h> > diff --git a/arch/xtensa/platforms/iss/setup.c b/arch/xtensa/platforms/iss/setup.c > index ed519aee0ec8..d3433e1bb94e 100644 > --- a/arch/xtensa/platforms/iss/setup.c > +++ b/arch/xtensa/platforms/iss/setup.c > @@ -14,6 +14,7 @@ > #include <linux/init.h> > #include <linux/kernel.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/printk.h> > #include <linux/string.h> > > diff --git a/drivers/bus/brcmstb_gisb.c b/drivers/bus/brcmstb_gisb.c > index 7355fa2cb439..6551286a60cc 100644 > --- a/drivers/bus/brcmstb_gisb.c > +++ b/drivers/bus/brcmstb_gisb.c > @@ -6,6 +6,7 @@ > #include <linux/init.h> > #include <linux/types.h> > #include <linux/module.h> > +#include <linux/panic_notifier.h> > #include <linux/platform_device.h> > #include <linux/interrupt.h> > #include <linux/sysfs.h> > diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c > index 8a0e97b33cae..e96cb5c4f97a 100644 > --- a/drivers/char/ipmi/ipmi_msghandler.c > +++ b/drivers/char/ipmi/ipmi_msghandler.c > @@ -16,6 +16,7 @@ > > #include <linux/module.h> > #include <linux/errno.h> > +#include <linux/panic_notifier.h> > #include <linux/poll.h> > #include <linux/sched.h> > #include <linux/seq_file.h> > diff --git a/drivers/clk/analogbits/wrpll-cln28hpc.c b/drivers/clk/analogbits/wrpll-cln28hpc.c > index 776ead319ae9..7c64ea52a8d5 100644 > --- a/drivers/clk/analogbits/wrpll-cln28hpc.c > +++ b/drivers/clk/analogbits/wrpll-cln28hpc.c > @@ -23,8 +23,12 @@ > > #include <linux/bug.h> > #include <linux/err.h> > +#include <linux/limits.h> > #include <linux/log2.h> > #include <linux/math64.h> > +#include <linux/math.h> > +#include <linux/minmax.h> > + > #include <linux/clk/analogbits-wrpll-cln28hpc.h> > > /* MIN_INPUT_FREQ: minimum input clock frequency, in Hz (Fref_min) */ > diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c > index 5f7fd79ec82f..61c21bd880a4 100644 > --- a/drivers/edac/altera_edac.c > +++ b/drivers/edac/altera_edac.c > @@ -20,6 +20,7 @@ > #include <linux/of_address.h> > #include <linux/of_irq.h> > #include <linux/of_platform.h> > +#include <linux/panic_notifier.h> > #include <linux/platform_device.h> > #include <linux/regmap.h> > #include <linux/types.h> > diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c > index bb6e77ee3898..adaa492c3d2d 100644 > --- a/drivers/firmware/google/gsmi.c > +++ b/drivers/firmware/google/gsmi.c > @@ -19,6 +19,7 @@ > #include <linux/dma-mapping.h> > #include <linux/fs.h> > #include <linux/slab.h> > +#include <linux/panic_notifier.h> > #include <linux/ioctl.h> > #include <linux/acpi.h> > #include <linux/io.h> > diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c > index 92cb3f7d21d9..57bbbaa4e8f7 100644 > --- a/drivers/hv/vmbus_drv.c > +++ b/drivers/hv/vmbus_drv.c > @@ -25,6 +25,7 @@ > > #include <linux/delay.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/ptrace.h> > #include <linux/screen_info.h> > #include <linux/kdebug.h> > diff --git a/drivers/hwtracing/coresight/coresight-cpu-debug.c b/drivers/hwtracing/coresight/coresight-cpu-debug.c > index 2dcf13de751f..9731d3a96073 100644 > --- a/drivers/hwtracing/coresight/coresight-cpu-debug.c > +++ b/drivers/hwtracing/coresight/coresight-cpu-debug.c > @@ -17,6 +17,7 @@ > #include <linux/kernel.h> > #include <linux/module.h> > #include <linux/moduleparam.h> > +#include <linux/panic_notifier.h> > #include <linux/pm_qos.h> > #include <linux/slab.h> > #include <linux/smp.h> > diff --git a/drivers/leds/trigger/ledtrig-activity.c b/drivers/leds/trigger/ledtrig-activity.c > index 14ba7faaed9e..30bc9df03636 100644 > --- a/drivers/leds/trigger/ledtrig-activity.c > +++ b/drivers/leds/trigger/ledtrig-activity.c > @@ -11,6 +11,7 @@ > #include <linux/kernel_stat.h> > #include <linux/leds.h> > #include <linux/module.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/sched.h> > #include <linux/slab.h> > diff --git a/drivers/leds/trigger/ledtrig-heartbeat.c b/drivers/leds/trigger/ledtrig-heartbeat.c > index 36b6709afe9f..7fe0a05574d2 100644 > --- a/drivers/leds/trigger/ledtrig-heartbeat.c > +++ b/drivers/leds/trigger/ledtrig-heartbeat.c > @@ -11,6 +11,7 @@ > #include <linux/module.h> > #include <linux/kernel.h> > #include <linux/init.h> > +#include <linux/panic_notifier.h> > #include <linux/slab.h> > #include <linux/timer.h> > #include <linux/sched.h> > diff --git a/drivers/leds/trigger/ledtrig-panic.c b/drivers/leds/trigger/ledtrig-panic.c > index 5751cd032f9d..64abf2e91608 100644 > --- a/drivers/leds/trigger/ledtrig-panic.c > +++ b/drivers/leds/trigger/ledtrig-panic.c > @@ -8,6 +8,7 @@ > #include <linux/kernel.h> > #include <linux/init.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/leds.h> > #include "../leds.h" > > diff --git a/drivers/misc/bcm-vk/bcm_vk_dev.c b/drivers/misc/bcm-vk/bcm_vk_dev.c > index 6bfea3210389..ad639ee85b2a 100644 > --- a/drivers/misc/bcm-vk/bcm_vk_dev.c > +++ b/drivers/misc/bcm-vk/bcm_vk_dev.c > @@ -9,6 +9,7 @@ > #include <linux/fs.h> > #include <linux/idr.h> > #include <linux/interrupt.h> > +#include <linux/panic_notifier.h> > #include <linux/kref.h> > #include <linux/module.h> > #include <linux/mutex.h> > diff --git a/drivers/misc/ibmasm/heartbeat.c b/drivers/misc/ibmasm/heartbeat.c > index 4f5f3bdc814d..59c9a0d95659 100644 > --- a/drivers/misc/ibmasm/heartbeat.c > +++ b/drivers/misc/ibmasm/heartbeat.c > @@ -9,6 +9,7 @@ > */ > > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include "ibmasm.h" > #include "dot_command.h" > #include "lowlevel.h" > diff --git a/drivers/misc/pvpanic/pvpanic.c b/drivers/misc/pvpanic/pvpanic.c > index 65f70a4da8c0..793ea0c01193 100644 > --- a/drivers/misc/pvpanic/pvpanic.c > +++ b/drivers/misc/pvpanic/pvpanic.c > @@ -13,6 +13,7 @@ > #include <linux/mod_devicetable.h> > #include <linux/module.h> > #include <linux/platform_device.h> > +#include <linux/panic_notifier.h> > #include <linux/types.h> > #include <linux/cdev.h> > #include <linux/list.h> > diff --git a/drivers/net/ipa/ipa_smp2p.c b/drivers/net/ipa/ipa_smp2p.c > index a5f7a79a1923..34b68dc43886 100644 > --- a/drivers/net/ipa/ipa_smp2p.c > +++ b/drivers/net/ipa/ipa_smp2p.c > @@ -8,6 +8,7 @@ > #include <linux/device.h> > #include <linux/interrupt.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/soc/qcom/smem.h> > #include <linux/soc/qcom/smem_state.h> > > diff --git a/drivers/parisc/power.c b/drivers/parisc/power.c > index ebaf6867b457..456776bd8ee6 100644 > --- a/drivers/parisc/power.c > +++ b/drivers/parisc/power.c > @@ -38,6 +38,7 @@ > #include <linux/init.h> > #include <linux/kernel.h> > #include <linux/notifier.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/sched/signal.h> > #include <linux/kthread.h> > diff --git a/drivers/power/reset/ltc2952-poweroff.c b/drivers/power/reset/ltc2952-poweroff.c > index d1495af30081..8688c8ba8894 100644 > --- a/drivers/power/reset/ltc2952-poweroff.c > +++ b/drivers/power/reset/ltc2952-poweroff.c > @@ -52,6 +52,7 @@ > #include <linux/slab.h> > #include <linux/kmod.h> > #include <linux/module.h> > +#include <linux/panic_notifier.h> > #include <linux/mod_devicetable.h> > #include <linux/gpio/consumer.h> > #include <linux/reboot.h> > diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c > index 626a6b90fba2..76dd8e2b1e7e 100644 > --- a/drivers/remoteproc/remoteproc_core.c > +++ b/drivers/remoteproc/remoteproc_core.c > @@ -20,6 +20,7 @@ > #include <linux/kernel.h> > #include <linux/module.h> > #include <linux/device.h> > +#include <linux/panic_notifier.h> > #include <linux/slab.h> > #include <linux/mutex.h> > #include <linux/dma-map-ops.h> > diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c > index 1fd5bca9fa20..02523f4e29f4 100644 > --- a/drivers/s390/char/con3215.c > +++ b/drivers/s390/char/con3215.c > @@ -19,6 +19,7 @@ > #include <linux/console.h> > #include <linux/interrupt.h> > #include <linux/err.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/serial.h> /* ASYNC_* flags */ > #include <linux/slab.h> > diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c > index e21962c0fd94..87cdbace1453 100644 > --- a/drivers/s390/char/con3270.c > +++ b/drivers/s390/char/con3270.c > @@ -13,6 +13,7 @@ > #include <linux/init.h> > #include <linux/interrupt.h> > #include <linux/list.h> > +#include <linux/panic_notifier.h> > #include <linux/types.h> > #include <linux/slab.h> > #include <linux/err.h> > diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c > index 986bbbc23d0a..6627820a5eb9 100644 > --- a/drivers/s390/char/sclp.c > +++ b/drivers/s390/char/sclp.c > @@ -11,6 +11,7 @@ > #include <linux/kernel_stat.h> > #include <linux/module.h> > #include <linux/err.h> > +#include <linux/panic_notifier.h> > #include <linux/spinlock.h> > #include <linux/interrupt.h> > #include <linux/timer.h> > diff --git a/drivers/s390/char/sclp_con.c b/drivers/s390/char/sclp_con.c > index 9b852a47ccc1..cc01a7b8595d 100644 > --- a/drivers/s390/char/sclp_con.c > +++ b/drivers/s390/char/sclp_con.c > @@ -10,6 +10,7 @@ > #include <linux/kmod.h> > #include <linux/console.h> > #include <linux/init.h> > +#include <linux/panic_notifier.h> > #include <linux/timer.h> > #include <linux/jiffies.h> > #include <linux/termios.h> > diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c > index 7f4445b0f819..5b8a7b090a97 100644 > --- a/drivers/s390/char/sclp_vt220.c > +++ b/drivers/s390/char/sclp_vt220.c > @@ -9,6 +9,7 @@ > > #include <linux/module.h> > #include <linux/spinlock.h> > +#include <linux/panic_notifier.h> > #include <linux/list.h> > #include <linux/wait.h> > #include <linux/timer.h> > diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c > index bd3c724bf695..b5b0848da93b 100644 > --- a/drivers/s390/char/zcore.c > +++ b/drivers/s390/char/zcore.c > @@ -15,6 +15,7 @@ > #include <linux/init.h> > #include <linux/slab.h> > #include <linux/debugfs.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > > #include <asm/asm-offsets.h> > diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c > index a673fdffe216..3cbb165d6e30 100644 > --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c > +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c > @@ -28,6 +28,7 @@ > #include <linux/notifier.h> > #include <linux/of.h> > #include <linux/of_address.h> > +#include <linux/panic_notifier.h> > #include <linux/platform_device.h> > #include <linux/pm.h> > #include <linux/printk.h> > diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c > index 6d8e9a481786..7284cb4ac395 100644 > --- a/drivers/staging/olpc_dcon/olpc_dcon.c > +++ b/drivers/staging/olpc_dcon/olpc_dcon.c > @@ -22,6 +22,7 @@ > #include <linux/device.h> > #include <linux/uaccess.h> > #include <linux/ctype.h> > +#include <linux/panic_notifier.h> > #include <linux/reboot.h> > #include <linux/olpc-ec.h> > #include <asm/tsc.h> > diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c > index a7e6eea2c4a1..23999df52739 100644 > --- a/drivers/video/fbdev/hyperv_fb.c > +++ b/drivers/video/fbdev/hyperv_fb.c > @@ -52,6 +52,7 @@ > #include <linux/completion.h> > #include <linux/fb.h> > #include <linux/pci.h> > +#include <linux/panic_notifier.h> > #include <linux/efi.h> > #include <linux/console.h> > > diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h > index b402494883b6..f152b9bb916f 100644 > --- a/include/asm-generic/bug.h > +++ b/include/asm-generic/bug.h > @@ -17,7 +17,8 @@ > #endif > > #ifndef __ASSEMBLY__ > -#include <linux/kernel.h> > +#include <linux/panic.h> > +#include <linux/printk.h> > > #ifdef CONFIG_BUG > > diff --git a/include/linux/kernel.h b/include/linux/kernel.h > index 15d8bad3d2f2..50f4a57cf50c 100644 > --- a/include/linux/kernel.h > +++ b/include/linux/kernel.h > @@ -14,6 +14,7 @@ > #include <linux/math.h> > #include <linux/minmax.h> > #include <linux/typecheck.h> > +#include <linux/panic.h> > #include <linux/printk.h> > #include <linux/build_bug.h> > #include <linux/static_call_types.h> > @@ -72,7 +73,6 @@ > #define lower_32_bits(n) ((u32)((n) & 0xffffffff)) > > struct completion; > -struct pt_regs; > struct user; > > #ifdef CONFIG_PREEMPT_VOLUNTARY > @@ -177,14 +177,6 @@ void __might_fault(const char *file, int line); > static inline void might_fault(void) { } > #endif > > -extern struct atomic_notifier_head panic_notifier_list; > -extern long (*panic_blink)(int state); > -__printf(1, 2) > -void panic(const char *fmt, ...) __noreturn __cold; > -void nmi_panic(struct pt_regs *regs, const char *msg); > -extern void oops_enter(void); > -extern void oops_exit(void); > -extern bool oops_may_print(void); > void do_exit(long error_code) __noreturn; > void complete_and_exit(struct completion *, long) __noreturn; > > @@ -370,52 +362,8 @@ extern int __kernel_text_address(unsigned long addr); > extern int kernel_text_address(unsigned long addr); > extern int func_ptr_is_kernel_text(void *ptr); > > -#ifdef CONFIG_SMP > -extern unsigned int sysctl_oops_all_cpu_backtrace; > -#else > -#define sysctl_oops_all_cpu_backtrace 0 > -#endif /* CONFIG_SMP */ > - > extern void bust_spinlocks(int yes); > -extern int panic_timeout; > -extern unsigned long panic_print; > -extern int panic_on_oops; > -extern int panic_on_unrecovered_nmi; > -extern int panic_on_io_nmi; > -extern int panic_on_warn; > -extern unsigned long panic_on_taint; > -extern bool panic_on_taint_nousertaint; > -extern int sysctl_panic_on_rcu_stall; > -extern int sysctl_max_rcu_stall_to_panic; > -extern int sysctl_panic_on_stackoverflow; > - > -extern bool crash_kexec_post_notifiers; > > -/* > - * panic_cpu is used for synchronizing panic() and crash_kexec() execution. It > - * holds a CPU number which is executing panic() currently. A value of > - * PANIC_CPU_INVALID means no CPU has entered panic() or crash_kexec(). > - */ > -extern atomic_t panic_cpu; > -#define PANIC_CPU_INVALID -1 > - > -/* > - * Only to be used by arch init code. If the user over-wrote the default > - * CONFIG_PANIC_TIMEOUT, honor it. > - */ > -static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) > -{ > - if (panic_timeout == arch_default_timeout) > - panic_timeout = timeout; > -} > -extern const char *print_tainted(void); > -enum lockdep_ok { > - LOCKDEP_STILL_OK, > - LOCKDEP_NOW_UNRELIABLE > -}; > -extern void add_taint(unsigned flag, enum lockdep_ok); > -extern int test_taint(unsigned flag); > -extern unsigned long get_taint(void); > extern int root_mountflags; > > extern bool early_boot_irqs_disabled; > @@ -434,36 +382,6 @@ extern enum system_states { > SYSTEM_SUSPEND, > } system_state; > > -/* This cannot be an enum because some may be used in assembly source. */ > -#define TAINT_PROPRIETARY_MODULE 0 > -#define TAINT_FORCED_MODULE 1 > -#define TAINT_CPU_OUT_OF_SPEC 2 > -#define TAINT_FORCED_RMMOD 3 > -#define TAINT_MACHINE_CHECK 4 > -#define TAINT_BAD_PAGE 5 > -#define TAINT_USER 6 > -#define TAINT_DIE 7 > -#define TAINT_OVERRIDDEN_ACPI_TABLE 8 > -#define TAINT_WARN 9 > -#define TAINT_CRAP 10 > -#define TAINT_FIRMWARE_WORKAROUND 11 > -#define TAINT_OOT_MODULE 12 > -#define TAINT_UNSIGNED_MODULE 13 > -#define TAINT_SOFTLOCKUP 14 > -#define TAINT_LIVEPATCH 15 > -#define TAINT_AUX 16 > -#define TAINT_RANDSTRUCT 17 > -#define TAINT_FLAGS_COUNT 18 > -#define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1) > - > -struct taint_flag { > - char c_true; /* character printed when tainted */ > - char c_false; /* character printed when not tainted */ > - bool module; /* also show as a per-module taint flag */ > -}; > - > -extern const struct taint_flag taint_flags[TAINT_FLAGS_COUNT]; > - > extern const char hex_asc[]; > #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] > #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] > diff --git a/include/linux/panic.h b/include/linux/panic.h > new file mode 100644 > index 000000000000..f5844908a089 > --- /dev/null > +++ b/include/linux/panic.h > @@ -0,0 +1,98 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +#ifndef _LINUX_PANIC_H > +#define _LINUX_PANIC_H > + > +#include <linux/compiler_attributes.h> > +#include <linux/types.h> > + > +struct pt_regs; > + > +extern long (*panic_blink)(int state); > +__printf(1, 2) > +void panic(const char *fmt, ...) __noreturn __cold; > +void nmi_panic(struct pt_regs *regs, const char *msg); > +extern void oops_enter(void); > +extern void oops_exit(void); > +extern bool oops_may_print(void); > + > +#ifdef CONFIG_SMP > +extern unsigned int sysctl_oops_all_cpu_backtrace; > +#else > +#define sysctl_oops_all_cpu_backtrace 0 > +#endif /* CONFIG_SMP */ > + > +extern int panic_timeout; > +extern unsigned long panic_print; > +extern int panic_on_oops; > +extern int panic_on_unrecovered_nmi; > +extern int panic_on_io_nmi; > +extern int panic_on_warn; > + > +extern unsigned long panic_on_taint; > +extern bool panic_on_taint_nousertaint; > + > +extern int sysctl_panic_on_rcu_stall; > +extern int sysctl_max_rcu_stall_to_panic; > +extern int sysctl_panic_on_stackoverflow; > + > +extern bool crash_kexec_post_notifiers; > + > +/* > + * panic_cpu is used for synchronizing panic() and crash_kexec() execution. It > + * holds a CPU number which is executing panic() currently. A value of > + * PANIC_CPU_INVALID means no CPU has entered panic() or crash_kexec(). > + */ > +extern atomic_t panic_cpu; > +#define PANIC_CPU_INVALID -1 > + > +/* > + * Only to be used by arch init code. If the user over-wrote the default > + * CONFIG_PANIC_TIMEOUT, honor it. > + */ > +static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) > +{ > + if (panic_timeout == arch_default_timeout) > + panic_timeout = timeout; > +} > + > +/* This cannot be an enum because some may be used in assembly source. */ > +#define TAINT_PROPRIETARY_MODULE 0 > +#define TAINT_FORCED_MODULE 1 > +#define TAINT_CPU_OUT_OF_SPEC 2 > +#define TAINT_FORCED_RMMOD 3 > +#define TAINT_MACHINE_CHECK 4 > +#define TAINT_BAD_PAGE 5 > +#define TAINT_USER 6 > +#define TAINT_DIE 7 > +#define TAINT_OVERRIDDEN_ACPI_TABLE 8 > +#define TAINT_WARN 9 > +#define TAINT_CRAP 10 > +#define TAINT_FIRMWARE_WORKAROUND 11 > +#define TAINT_OOT_MODULE 12 > +#define TAINT_UNSIGNED_MODULE 13 > +#define TAINT_SOFTLOCKUP 14 > +#define TAINT_LIVEPATCH 15 > +#define TAINT_AUX 16 > +#define TAINT_RANDSTRUCT 17 > +#define TAINT_FLAGS_COUNT 18 > +#define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1) > + > +struct taint_flag { > + char c_true; /* character printed when tainted */ > + char c_false; /* character printed when not tainted */ > + bool module; /* also show as a per-module taint flag */ > +}; > + > +extern const struct taint_flag taint_flags[TAINT_FLAGS_COUNT]; > + > +enum lockdep_ok { > + LOCKDEP_STILL_OK, > + LOCKDEP_NOW_UNRELIABLE, > +}; > + > +extern const char *print_tainted(void); > +extern void add_taint(unsigned flag, enum lockdep_ok); > +extern int test_taint(unsigned flag); > +extern unsigned long get_taint(void); > + > +#endif /* _LINUX_PANIC_H */ > diff --git a/include/linux/panic_notifier.h b/include/linux/panic_notifier.h > new file mode 100644 > index 000000000000..41e32483d7a7 > --- /dev/null > +++ b/include/linux/panic_notifier.h > @@ -0,0 +1,12 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +#ifndef _LINUX_PANIC_NOTIFIERS_H > +#define _LINUX_PANIC_NOTIFIERS_H > + > +#include <linux/notifier.h> > +#include <linux/types.h> > + > +extern struct atomic_notifier_head panic_notifier_list; > + > +extern bool crash_kexec_post_notifiers; > + > +#endif /* _LINUX_PANIC_NOTIFIERS_H */ > diff --git a/kernel/hung_task.c b/kernel/hung_task.c > index bb2e3e15c84c..2871076e4d29 100644 > --- a/kernel/hung_task.c > +++ b/kernel/hung_task.c > @@ -15,6 +15,7 @@ > #include <linux/kthread.h> > #include <linux/lockdep.h> > #include <linux/export.h> > +#include <linux/panic_notifier.h> > #include <linux/sysctl.h> > #include <linux/suspend.h> > #include <linux/utsname.h> > diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c > index f099baee3578..4b34a9aa32bc 100644 > --- a/kernel/kexec_core.c > +++ b/kernel/kexec_core.c > @@ -26,6 +26,7 @@ > #include <linux/suspend.h> > #include <linux/device.h> > #include <linux/freezer.h> > +#include <linux/panic_notifier.h> > #include <linux/pm.h> > #include <linux/cpu.h> > #include <linux/uaccess.h> > diff --git a/kernel/panic.c b/kernel/panic.c > index 332736a72a58..edad89660a2b 100644 > --- a/kernel/panic.c > +++ b/kernel/panic.c > @@ -23,6 +23,7 @@ > #include <linux/reboot.h> > #include <linux/delay.h> > #include <linux/kexec.h> > +#include <linux/panic_notifier.h> > #include <linux/sched.h> > #include <linux/sysrq.h> > #include <linux/init.h> > diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c > index 3a5fef9fc934..faa847ce28cd 100644 > --- a/kernel/rcu/tree.c > +++ b/kernel/rcu/tree.c > @@ -32,6 +32,8 @@ > #include <linux/export.h> > #include <linux/completion.h> > #include <linux/moduleparam.h> > +#include <linux/panic.h> > +#include <linux/panic_notifier.h> > #include <linux/percpu.h> > #include <linux/notifier.h> > #include <linux/cpu.h> > diff --git a/kernel/sysctl.c b/kernel/sysctl.c > index 6e0b77f1117c..304be14fa09b 100644 > --- a/kernel/sysctl.c > +++ b/kernel/sysctl.c > @@ -27,6 +27,7 @@ > #include <linux/sysctl.h> > #include <linux/bitmap.h> > #include <linux/signal.h> > +#include <linux/panic.h> > #include <linux/printk.h> > #include <linux/proc_fs.h> > #include <linux/security.h> > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c > index 560e4c8d3825..1c4e702133e8 100644 > --- a/kernel/trace/trace.c > +++ b/kernel/trace/trace.c > @@ -39,6 +39,7 @@ > #include <linux/slab.h> > #include <linux/ctype.h> > #include <linux/init.h> > +#include <linux/panic_notifier.h> > #include <linux/poll.h> > #include <linux/nmi.h> > #include <linux/fs.h> > -- > 2.30.2 >