Messages in this thread | | | Date | Thu, 9 Aug 2018 01:02:48 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH v6 5/5] Auto-detect whether a FPU exists |
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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 <alankao@andestech.com> > Cc: Greentime Hu <greentime@andestech.com> > Cc: Vincent Chen <vincentc@andestech.com> > Cc: Zong Li <zong@andestech.com> > Cc: Nick Hu <nickhu@andestech.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
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