Messages in this thread | | | Date | Mon, 18 Feb 2019 12:47:49 +0100 | From | "" <> | Subject | Re: [PATCH] x86: livepatch: Treat R_X86_64_PLT32 as R_X86_64_PC32 |
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On Fri, Feb 15, 2019 at 02:01:31AM +0000, chenzefeng (A) wrote: > On x86-64, for 32-bit PC-relacive branches, we can generate PLT32 relocation, instead of PC32 relocation. and R_X86_64_PLT32 can be treated the same as R_X86_64_PC32 since linux kernel doesn't use PLT. > > In linux 4.4 commit b21ebf2fb4cd ("x86: Treat R_X86_64_PLT32 as R_X86_64_PC32") been fixed for the module loading, but not fixed for livepatch relocation, which will fail to load livepatch with the error message as follow: > relocation failed for symbol <symbol name> at <symbol address> > > Signed-off-by: chenzefeng <chenzefeng2@huawei.com> > --- > arch/x86/kernel/livepatch.c | 1 + > 1 file changed, 1 insertion(+)
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This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly.
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