Messages in this thread |  | | Date | Sun, 30 Apr 2017 16:08:55 +0200 | From | Greg KH <> | Subject | Re: 4.2+ stable inclusion request: ARCv2: save r30 on kernel entry as gcc uses it for code-gen |
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On Fri, Apr 28, 2017 at 11:57:36AM -0700, Vineet Gupta wrote: > Hi, > > Can we please backport upstream ecd43afdbe72017aefe48080631eb625e177ef4d ("ARCv2: > save r30 on kernel entry as gcc uses it for code-gen") to 4.2 to 4.9 kernels. > > While the issue cites gcc, it is general deficiency of kernel as userspace > programs can modify r30 register in hand/inline assembly and those will not be > preserved without this change.
Queued up for 4.9 and 4.4 stable trees, thanks.
greg k-h
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