On Fri, Mar 23, 2018 at 11:50:55AM +0800, Jiaxun Yang wrote: > 在 2018-03-22四的 22:21 +0000，James Hogan写道： > > Also I think it worth mentioning in the commit message the MIPS > > configuration you hit this with, presumably a Loongson one? For me > > decompress_kernel() gets a stack guard on loongson3_defconfig, but > > not > > malta_defconfig or malta_defconfig + 64-bit. I presume its sensitive > > to > > the compiler inlining stuff into decompress_kernel() or something > > such > > that it suddenly qualifies for a stack guard. > > Have you tested with CONFIG_CC_STACKPROTECTOR_STRONG=y ? Yes. for malta_defconfig I could only reproduce by adding an array to decompress_kernel() so that it would get the guard. Cheers James
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