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>>>> +static unsigned int capability = PVPANIC_PANICKED | PVPANIC_CRASH_LOADED; >>>> +static unsigned int events; >>>> + >>>> +static ssize_t capability_show(struct device *dev, >>>> + struct device_attribute *attr, char *buf) >>>> +{ >>>> + return sysfs_emit(buf, "%x\n", capability); >>> A global capability for all devices? No, this needs to be a per-device >>> attttribute as you are showing it to userspace as such. >> We can only have a pvpanic-pci device. This is necessary in that case? > Why would it not be? Why constrain yourself to something that someone > will only have to fix sometime in the future? Agree. But why this got in in Jan2021 for pvpanic-mmio.c (ex. pvpanic.c) like this :)?