tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/core head: 830be9dae84c3a781f6d1594c4038c164bbae52b commit: 6fc278e883365e67dd4a35e25b756d9d0c9d913c [28/29] x86/acrn: Use HYPERVISOR_CALLBACK_VECTOR for ACRN guest upcall vector config: x86_64-randconfig-s505280430 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 6fc278e883365e67dd4a35e25b756d9d0c9d913c # save the attached .config to linux build tree make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All errors (new ones prefixed by >>):
arch/x86/kernel/cpu/acrn.c: In function 'acrn_hv_vector_handler':
>> arch/x86/kernel/cpu/acrn.c:52:2: error: implicit declaration of function
>> 'entering_ack_irq'; did you mean 'spin_lock_irq'?
>> [-Werror=implicit-function-declaration]
entering_ack_irq();
^~~~~~~~~~~~~~~~
spin_lock_irq
>> arch/x86/kernel/cpu/acrn.c:58:2: error: implicit declaration of function
>> 'exiting_irq'; did you mean 'in_irq'? [-Werror=implicit-function-declaration]
exiting_irq();
^~~~~~~~~~~
in_irq
cc1: some warnings being treated as errors
vim +52 arch/x86/kernel/cpu/acrn.c
40
41 __visible void __irq_entry acrn_hv_vector_handler(struct pt_regs *regs)
42 {
43 struct pt_regs *old_regs = set_irq_regs(regs);
44
45 /*
46 * The hypervisor requires that the APIC EOI should be acked.
47 * If the APIC EOI is not acked, the APIC ISR bit for the
48 * HYPERVISOR_CALLBACK_VECTOR will not be cleared and then it
49 * will block the interrupt whose vector is lower than
50 * HYPERVISOR_CALLBACK_VECTOR.
51 */
> 52 entering_ack_irq();
53 inc_irq_stat(irq_hv_callback_count);
54
55 if (acrn_intr_handler)
56 acrn_intr_handler();
57
> 58 exiting_irq();
59 set_irq_regs(old_regs);
60 }
61
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.config.gz
Description: application/gzip
