ELF: Remove elf_core_copy_kernel_regs()
x86-32 was the last architecture that implemented separate user and kernel registers. Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Andy Lutomirski <luto@kernel.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220325153953.162643-3-brgerst@gmail.com
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@ -752,7 +752,7 @@ u32 *__init fadump_regs_to_elf_notes(u32 *buf, struct pt_regs *regs)
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* FIXME: How do i get PID? Do I really need it?
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* prstatus.pr_pid = ????
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*/
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elf_core_copy_kernel_regs(&prstatus.pr_reg, regs);
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elf_core_copy_regs(&prstatus.pr_reg, regs);
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buf = append_elf_note(buf, CRASH_CORE_NOTE_NAME, NT_PRSTATUS,
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&prstatus, sizeof(prstatus));
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return buf;
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@ -112,7 +112,7 @@ static void __init fill_prstatus(struct elf_prstatus *prstatus, int pir,
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struct pt_regs *regs)
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{
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memset(prstatus, 0, sizeof(struct elf_prstatus));
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elf_core_copy_kernel_regs(&(prstatus->pr_reg), regs);
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elf_core_copy_regs(&(prstatus->pr_reg), regs);
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/*
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* Overload PID with PIR value.
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@ -84,15 +84,6 @@ static inline void elf_core_copy_regs(elf_gregset_t *elfregs, struct pt_regs *re
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#endif
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}
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static inline void elf_core_copy_kernel_regs(elf_gregset_t *elfregs, struct pt_regs *regs)
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{
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#ifdef ELF_CORE_COPY_KERNEL_REGS
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ELF_CORE_COPY_KERNEL_REGS((*elfregs), regs);
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#else
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elf_core_copy_regs(elfregs, regs);
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#endif
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}
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static inline int elf_core_copy_task_regs(struct task_struct *t, elf_gregset_t* elfregs)
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{
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#if defined (ELF_CORE_COPY_TASK_REGS)
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@ -1078,7 +1078,7 @@ void crash_save_cpu(struct pt_regs *regs, int cpu)
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return;
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memset(&prstatus, 0, sizeof(prstatus));
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prstatus.common.pr_pid = current->pid;
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elf_core_copy_kernel_regs(&prstatus.pr_reg, regs);
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elf_core_copy_regs(&prstatus.pr_reg, regs);
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buf = append_elf_note(buf, KEXEC_CORE_NOTE_NAME, NT_PRSTATUS,
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&prstatus, sizeof(prstatus));
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final_note(buf);
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