Re: how to determine if buffers are in user-space/kernel-space

2021-01-18 Thread Stephen Hemminger
On Mon, 18 Jan 2021 23:56:37 +0530 Raju Rangoju wrote: > Hi, > > We have an out-of-tree kernel module which was using > segment_eq(get_fs(), KERNEL_DS) to determine whether buffers are in > Kernel space vs User space. However, with the get_fs() and its friends > removed[1], we are out of ideas o

how to determine if buffers are in user-space/kernel-space

2021-01-18 Thread Raju Rangoju
Hi, We have an out-of-tree kernel module which was using segment_eq(get_fs(), KERNEL_DS) to determine whether buffers are in Kernel space vs User space. However, with the get_fs() and its friends removed[1], we are out of ideas on how to determine if buffers are in user space or kernel space. Can