tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/devel.git x86/entry head: 5c8d5a67cdc4a03d2c383cb4e70375c2da1eb5eb commit: 36e542056fc9af793328f226b87e02a4c008975e [16/21] x86/kvm: Use generic exit to guest work function config: x86_64-rhel-7.6-kselftests (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce (this is a W=1 build): git checkout 36e542056fc9af793328f226b87e02a4c008975e # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from arch/x86/kvm/x86.c:58: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ 453 | } | ^ -- In file included from arch/x86/include/asm/idtentry.h:9, from arch/x86/include/asm/traps.h:9, from arch/x86/kernel/traps.c:48: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/entry/common.c:13: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/entry/common.c: At top level: arch/x86/entry/common.c:210:24: warning: no previous prototype for 'do_SYSENTER_32' [-Wmissing-prototypes] 210 | __visible noinstr long do_SYSENTER_32(struct pt_regs *regs) | ^~~~~~~~~~~~~~ arch/x86/entry/common.c:273:24: warning: no previous prototype for 'xen_pv_evtchn_do_upcall' [-Wmissing-prototypes] 273 | __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs) | ^~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/idtentry.h:9, from arch/x86/include/asm/traps.h:9, from arch/x86/xen/enlighten_pv.c:62: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/xen/enlighten_pv.c: At top level: arch/x86/xen/enlighten_pv.c:1231:34: warning: no previous prototype for 'xen_start_kernel' [-Wmissing-prototypes] 1231 | asmlinkage __visible void __init xen_start_kernel(void) | ^~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/idtentry.h:9, from arch/x86/xen/smp_pv.c:29: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/xen/smp_pv.c: At top level: arch/x86/xen/smp_pv.c:92:27: warning: no previous prototype for 'cpu_bringup_and_idle' [-Wmissing-prototypes] 92 | asmlinkage __visible void cpu_bringup_and_idle(void) | ^~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/idtentry.h:9, from arch/x86/include/asm/traps.h:9, from arch/x86/mm/extable.c:8: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/mm/extable.c: At top level: arch/x86/mm/extable.c:26:16: warning: no previous prototype for 'ex_handler_default' [-Wmissing-prototypes] 26 | __visible bool ex_handler_default(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~~~ arch/x86/mm/extable.c:36:16: warning: no previous prototype for 'ex_handler_fault' [-Wmissing-prototypes] 36 | __visible bool ex_handler_fault(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~ arch/x86/mm/extable.c:57:16: warning: no previous prototype for 'ex_handler_fprestore' [-Wmissing-prototypes] 57 | __visible bool ex_handler_fprestore(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~~~~~ arch/x86/mm/extable.c:72:16: warning: no previous prototype for 'ex_handler_uaccess' [-Wmissing-prototypes] 72 | __visible bool ex_handler_uaccess(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~~~ arch/x86/mm/extable.c:83:16: warning: no previous prototype for 'ex_handler_rdmsr_unsafe' [-Wmissing-prototypes] 83 | __visible bool ex_handler_rdmsr_unsafe(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/mm/extable.c:100:16: warning: no previous prototype for 'ex_handler_wrmsr_unsafe' [-Wmissing-prototypes] 100 | __visible bool ex_handler_wrmsr_unsafe(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/mm/extable.c:116:16: warning: no previous prototype for 'ex_handler_clear_fs' [-Wmissing-prototypes] 116 | __visible bool ex_handler_clear_fs(const struct exception_table_entry *fixup, | ^~~~~~~~~~~~~~~~~~~ -- In file included from kernel/entry/common.c:4: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ kernel/entry/common.c: In function 'exit_to_guest_mode_work': 376 | if (ti_work & _TIF_NEED_RESCHED_MASK) { | ^~~~~~~~~~~~~~~~~~~~~~ | TIF_NEED_RESCHED 393 | int exit_to_guest_mode(struct kvm_vcpu *vcpu) | ^~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from kernel/entry/common.c:3: 98 | extern typeof(sym) sym; \ | ^~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ kernel/entry/common.c:411:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 411 | EXPORT_SYMBOL_GPL(exit_to_guest_mode); | ^~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/current.h:5, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from kernel/entry/common.c:3: 343 | static void * __section(.discard.addressable) __used \ | ^~~~~~ include/linux/export.h:51:2: note: in expansion of macro '__ADDRESSABLE' 51 | __ADDRESSABLE(sym) \ | ^~~~~~~~~~~~~ include/linux/export.h:108:2: note: in expansion of macro '__KSYMTAB_ENTRY' 108 | __KSYMTAB_ENTRY(sym, sec) | ^~~~~~~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ kernel/entry/common.c:411:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 411 | EXPORT_SYMBOL_GPL(exit_to_guest_mode); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/linkage.h:7, from include/linux/kernel.h:8, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/sched.h:12, from include/linux/context_tracking.h:5, from kernel/entry/common.c:3: include/linux/export.h:100:20: warning: unused variable '__kstrtabns_exit_to_guest_mode' [-Wunused-variable] 100 | extern const char __kstrtabns_##sym[]; \ | ^~~~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ kernel/entry/common.c:411:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 411 | EXPORT_SYMBOL_GPL(exit_to_guest_mode); | ^~~~~~~~~~~~~~~~~ include/linux/export.h:99:20: warning: unused variable '__kstrtab_exit_to_guest_mode' [-Wunused-variable] 99 | extern const char __kstrtab_##sym[]; \ | ^~~~~~~~~~ include/linux/export.h:147:39: note: in expansion of macro '___EXPORT_SYMBOL' 147 | #define __EXPORT_SYMBOL(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) | ^~~~~~~~~~~~~~~~ include/linux/export.h:155:34: note: in expansion of macro '__EXPORT_SYMBOL' 155 | #define _EXPORT_SYMBOL(sym, sec) __EXPORT_SYMBOL(sym, sec, "") | ^~~~~~~~~~~~~~~ include/linux/export.h:159:33: note: in expansion of macro '_EXPORT_SYMBOL' 159 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "_gpl") | ^~~~~~~~~~~~~~ kernel/entry/common.c:411:1: note: in expansion of macro 'EXPORT_SYMBOL_GPL' 411 | EXPORT_SYMBOL_GPL(exit_to_guest_mode); | ^~~~~~~~~~~~~~~~~ At top level: kernel/entry/common.c:366:12: warning: 'exit_to_guest_mode_work' defined but not used [-Wunused-function] 366 | static int exit_to_guest_mode_work(struct kvm_vcpu *vcpu, unsigned long ti_work) | ^~~~~~~~~~~~~~~~~~~~~~~ -- In file included from arch/x86/include/asm/idtentry.h:9, from arch/x86/include/asm/traps.h:9, from arch/x86/kernel/cpu/intel.c:24: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ arch/x86/kernel/cpu/intel.c: In function 'init_intel': arch/x86/kernel/cpu/intel.c:642:20: warning: variable 'l2' set but not used [-Wunused-but-set-variable] 642 | unsigned int l1, l2; | ^~ -- In file included from arch/x86/kvm/vmx/vmx.c:30: include/linux/entry-common.h: In function '__exit_to_guest_mode_work_pending': 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:406:3: note: each undeclared identifier is reported only once for each function it appears in 406 | (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/entry-common.h:452:22: note: in expansion of macro 'EXIT_TO_GUEST_MODE_WORK' 452 | return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/kvm/vmx/vmx.c:51: arch/x86/kvm/vmx/capabilities.h: At top level: arch/x86/kvm/vmx/capabilities.h:7:10: fatal error: lapic.h: No such file or directory 7 | #include "lapic.h" | ^~~~~~~~~ compilation terminated. vim +406 include/linux/entry-common.h 1adc6c0ca59cff Thomas Gleixner 2019-10-23 404 1adc6c0ca59cff Thomas Gleixner 2019-10-23 405 #define EXIT_TO_GUEST_MODE_WORK \ 1adc6c0ca59cff Thomas Gleixner 2019-10-23 @406 (_TIF_NEED_RESCHED_MASK | _TIF_SIGPENDING | \ 1adc6c0ca59cff Thomas Gleixner 2019-10-23 407 _TIF_NOTIFY_RESUME | ARCH_EXIT_TO_GUEST_MODE_WORK) 1adc6c0ca59cff Thomas Gleixner 2019-10-23 408 1adc6c0ca59cff Thomas Gleixner 2019-10-23 409 struct kvm_vcpu; 1adc6c0ca59cff Thomas Gleixner 2019-10-23 410 1adc6c0ca59cff Thomas Gleixner 2019-10-23 411 /** 1adc6c0ca59cff Thomas Gleixner 2019-10-23 412 * arch_exit_to_guest_mode_work - Architecture specific exit to guest mode 1adc6c0ca59cff Thomas Gleixner 2019-10-23 413 * work function. 1adc6c0ca59cff Thomas Gleixner 2019-10-23 414 * @vcpu: Pointer to current's VCPU data 1adc6c0ca59cff Thomas Gleixner 2019-10-23 415 * @ti_work: Cached TIF flags gathered in exit_to_guest_mode() 1adc6c0ca59cff Thomas Gleixner 2019-10-23 416 * 1adc6c0ca59cff Thomas Gleixner 2019-10-23 417 * Invoked from exit_to_guest_mode_work(). Defaults to NOOP. Can be 1adc6c0ca59cff Thomas Gleixner 2019-10-23 418 * replaced by architecture specific code. 1adc6c0ca59cff Thomas Gleixner 2019-10-23 419 */ 1adc6c0ca59cff Thomas Gleixner 2019-10-23 420 static inline int arch_exit_to_guest_mode_work(struct kvm_vcpu *vcpu, 1adc6c0ca59cff Thomas Gleixner 2019-10-23 421 unsigned long ti_work); 1adc6c0ca59cff Thomas Gleixner 2019-10-23 422 1adc6c0ca59cff Thomas Gleixner 2019-10-23 423 #ifndef arch_exit_to_guest_mode_work 1adc6c0ca59cff Thomas Gleixner 2019-10-23 424 static inline int arch_exit_to_guest_mode_work(struct kvm_vcpu *vcpu, 1adc6c0ca59cff Thomas Gleixner 2019-10-23 425 unsigned long ti_work) 1adc6c0ca59cff Thomas Gleixner 2019-10-23 426 { 1adc6c0ca59cff Thomas Gleixner 2019-10-23 427 return 0; 1adc6c0ca59cff Thomas Gleixner 2019-10-23 428 } 1adc6c0ca59cff Thomas Gleixner 2019-10-23 429 #endif 1adc6c0ca59cff Thomas Gleixner 2019-10-23 430 1adc6c0ca59cff Thomas Gleixner 2019-10-23 431 /** 1adc6c0ca59cff Thomas Gleixner 2019-10-23 432 * exit_to_guest_mode - Check and handle pending work which needs to be 1adc6c0ca59cff Thomas Gleixner 2019-10-23 433 * handled before returning to guest mode 1adc6c0ca59cff Thomas Gleixner 2019-10-23 434 * @vcpu: Pointer to current's VCPU data 1adc6c0ca59cff Thomas Gleixner 2019-10-23 435 * 1adc6c0ca59cff Thomas Gleixner 2019-10-23 436 * Returns: 0 or an error code 1adc6c0ca59cff Thomas Gleixner 2019-10-23 437 */ 1adc6c0ca59cff Thomas Gleixner 2019-10-23 438 int exit_to_guest_mode(struct kvm_vcpu *vcpu); 1adc6c0ca59cff Thomas Gleixner 2019-10-23 439 1adc6c0ca59cff Thomas Gleixner 2019-10-23 440 /** 1adc6c0ca59cff Thomas Gleixner 2019-10-23 441 * __exit_to_guest_mode_work_pending - Check if work is pending 1adc6c0ca59cff Thomas Gleixner 2019-10-23 442 * 1adc6c0ca59cff Thomas Gleixner 2019-10-23 443 * Returns: True if work pending, False otherwise. 1adc6c0ca59cff Thomas Gleixner 2019-10-23 444 * 1adc6c0ca59cff Thomas Gleixner 2019-10-23 445 * Bare variant of exit_to_guest_mode_work_pending(). Can be called from 1adc6c0ca59cff Thomas Gleixner 2019-10-23 446 * interrupt enabled code for racy quick checks with care. 1adc6c0ca59cff Thomas Gleixner 2019-10-23 447 */ 1adc6c0ca59cff Thomas Gleixner 2019-10-23 448 static inline bool __exit_to_guest_mode_work_pending(void) 1adc6c0ca59cff Thomas Gleixner 2019-10-23 449 { 1adc6c0ca59cff Thomas Gleixner 2019-10-23 450 unsigned long ti_work = READ_ONCE(current_thread_info()->flags); 1adc6c0ca59cff Thomas Gleixner 2019-10-23 451 1adc6c0ca59cff Thomas Gleixner 2019-10-23 @452 return !!(ti_work & EXIT_TO_GUEST_MODE_WORK); 1adc6c0ca59cff Thomas Gleixner 2019-10-23 @453 } 1adc6c0ca59cff Thomas Gleixner 2019-10-23 454 :::::: The code at line 406 was first introduced by commit :::::: 1adc6c0ca59cff49d0e9da4e959157d811eaf809 entry: Provide infrastructure for work before entering a guest :::::: TO: Thomas Gleixner <tglx(a)linutronix.de&gt; :::::: CC: Thomas Gleixner <tglx(a)linutronix.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org