----
194 if (cpumask_andnot(to_cpumask(f->flush_cpumask), cpumask,
cpumask_of(smp_processor_id()))) {
0xffffffff81046865 <+85>: mov %gs:0xca10,%edx
0xffffffff8104688e <+126>: test %rax,%rax
0xffffffff81046899 <+137>: jne 0xffffffff81046900 <flush_tlb_others_ipi+240>
195 /*
196 * We have to send the IPI only to
197 * CPUs affected.
198 */
199 apic->send_IPI_mask(to_cpumask(f->flush_cpumask),
0xffffffff81046900 <+240>: mov 0xc95c19(%rip),%rax # 0xffffffff81cdc520
0xffffffff8104690e <+254>: lea 0x18(%r13),%rdi
0xffffffff81046912 <+258>: callq *0xd0(%rax)
200 INVALIDATE_TLB_VECTOR_START + sender);
0xffffffff81046907 <+247>: lea 0xcf(%r14),%esi
201
202 while (!cpumask_empty(to_cpumask(f->flush_cpumask)))
0xffffffff81046918 <+264>: cmpq $0x0,-0x7e1f2f68(%r12)
0xffffffff81046921 <+273>: je 0xffffffff8104689b <flush_tlb_others_ipi+139>
0xffffffff81046927 <+279>: nopw 0x0(%rax,%rax,1)
0xffffffff81046932 <+290>: cmpq $0x0,0x18(%r13)
0xffffffff81046937 <+295>: jne 0xffffffff81046930 <flush_tlb_others_ipi+288>
0xffffffff81046939 <+297>: jmpq 0xffffffff8104689b <flush_tlb_others_ipi+139>
0xffffffff8104693e: xchg %ax,%ax
203 cpu_relax();
204 }
----
#9 [ffff880037695dc0] native_flush_tlb_others at ffffffff81046abe
#10 [ffff880037695dd0] flush_tlb_mm at ffffffff81046b8b
...
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https://bugs.launchpad.net/bugs/1467955
Title:
Precise BUG: soft lockup in flush_tlb_others_ipi
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