tree: git://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
head: 8f536b7697a0d40ef6b5fd04cf2c04953d5ca06f
commit: f23d1f4a116038c68df224deae6718fde87d8f0d [8/9] x86/kexec: VMCLEAR VMCSs loaded on all cpus if necessary
sparse warnings:
+ arch/x86/kernel/crash.c:49:32: sparse: incompatible types in comparison expression (different address spaces)
vim +49 arch/x86/kernel/crash.c
5edd19af Cliff Wickman 2010-07-20 33
f23d1f4a Zhang Yanfei 2012-12-06 34 /*
f23d1f4a Zhang Yanfei 2012-12-06 35 * This is used to VMCLEAR all VMCSs loaded on the
f23d1f4a Zhang Yanfei 2012-12-06 36 * processor. And when loading kvm_intel module, the
f23d1f4a Zhang Yanfei 2012-12-06 37 * callback function pointer will be assigned.
f23d1f4a Zhang Yanfei 2012-12-06 38 *
f23d1f4a Zhang Yanfei 2012-12-06 39 * protected by rcu.
f23d1f4a Zhang Yanfei 2012-12-06 40 */
f23d1f4a Zhang Yanfei 2012-12-06 41 void (*crash_vmclear_loaded_vmcss)(void) = NULL;
f23d1f4a Zhang Yanfei 2012-12-06 42 EXPORT_SYMBOL_GPL(crash_vmclear_loaded_vmcss);
f23d1f4a Zhang Yanfei 2012-12-06 43
f23d1f4a Zhang Yanfei 2012-12-06 44 static inline void cpu_crash_vmclear_loaded_vmcss(void)
f23d1f4a Zhang Yanfei 2012-12-06 45 {
f23d1f4a Zhang Yanfei 2012-12-06 46 void (*do_vmclear_operation)(void) = NULL;
f23d1f4a Zhang Yanfei 2012-12-06 47
f23d1f4a Zhang Yanfei 2012-12-06 48 rcu_read_lock();
f23d1f4a Zhang Yanfei 2012-12-06 @49 do_vmclear_operation = rcu_dereference(crash_vmclear_loaded_vmcss);
f23d1f4a Zhang Yanfei 2012-12-06 50 if (do_vmclear_operation)
f23d1f4a Zhang Yanfei 2012-12-06 51 do_vmclear_operation();
f23d1f4a Zhang Yanfei 2012-12-06 52 rcu_read_unlock();
f23d1f4a Zhang Yanfei 2012-12-06 53 }
f23d1f4a Zhang Yanfei 2012-12-06 54
b2bbe71b Eduardo Habkost 2008-11-12 55 #if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)
b2bbe71b Eduardo Habkost 2008-11-12 56
9c48f1c6 Don Zickus 2011-09-30 57 static void kdump_nmi_callback(int cpu, struct pt_regs *regs)
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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