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commit2fd9c41aeaupstream. cpu_tss_rw is declared with DECLARE_PER_CPU_PAGE_ALIGNED but then defined with DEFINE_PER_CPU_SHARED_ALIGNED leading to section mismatch warnings. Use DEFINE_PER_CPU_PAGE_ALIGNED consistently. This is necessary because it's mapped to the cpu entry area and must be page aligned. [ tglx: Massaged changelog a bit ] Fixes:1a935bc3d4("x86/entry: Move SYSENTER_stack to the beginning of struct tss_struct") Suggested-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: thomas.lendacky@amd.com Cc: Borislav Petkov <bpetkov@suse.de> Cc: tklauser@distanz.ch Cc: minipli@googlemail.com Cc: me@kylehuey.com Cc: namit@vmware.com Cc: luto@kernel.org Cc: jpoimboe@redhat.com Cc: tj@kernel.org Cc: cl@linux.com Cc: bp@suse.de Cc: thgarnie@google.com Cc: kirill.shutemov@linux.intel.com Link: https://lkml.kernel.org/r/20180103203954.183360-1-ndesaulniers@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>