On 16.07.2020 2:59, David E. Box wrote: > On Wed, 2020-07-15 at 10:39 +0300, Alexey Budankov wrote: >> Hi David, >> >> On 14.07.2020 9:23, David E. Box wrote: > > ... > >>> >>> +static int pmt_telem_open(struct inode *inode, struct file *filp) >>> +{ >>> + struct pmt_telem_priv *priv; >>> + struct pmt_telem_entry *entry; >>> + struct pci_driver *pci_drv; >>> + struct pci_dev *pci_dev; >>> + >>> + if (!capable(CAP_SYS_ADMIN)) >> >> Thanks for supplying these patches. >> Are there any reasons not to expose this feature to CAP_PERFMON >> privileged >> processes too that currently have access to performance monitoring >> features >> of the kernel without root/CAP_SYS_ADMIN credentials? This could be >> done by >> pefmon_capable() function call starting from v5.8+. > > The new capability is well suited for this feature. I'll make the > change. Thanks. I appreciate your cooperation. Thanks! Alexei