On Thu, Aug 09, 2018 at 03:44:40PM +0800, Alan Kao wrote: > We expect that a kernel with CONFIG_FPU=y can still support no-FPU > machines. To do so, the kernel should first examine the existence of a > FPU, then do nothing if a FPU does exist; otherwise, it should > disable/bypass all FPU-related functions. > > In this patch, a new global variable, has_fpu, is created and determined > when parsing the hardware capability from device tree during booting. > This variable is used in those FPU-related functions. > > Signed-off-by: Alan Kao <[email protected]> > Cc: Greentime Hu <[email protected]> > Cc: Vincent Chen <[email protected]> > Cc: Zong Li <[email protected]> > Cc: Nick Hu <[email protected]>
Looks good, Reviewed-by: Christoph Hellwig <[email protected]>
