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08b6d290f9
additional section for .init.text appending a number. A side effect of this was a section mismatch warning because modpost did not recognize a .init.text section named .init.text.1: WARNING: vmlinux.o(.text.head+0x247): Section mismatch: reference to .init.text.1:start_kernel (between 'is386' and 'check_x87') Fix this by hardcoding the "ax" in the pushsection. Thanks to Torlaf for reporting this. Alan Modra provided the hint that made me able to locate the root cause of this warning. And Mike Frysinger told me how to properly fix it using __INIT/__FINIT. Fix following Section mismatch warning in addition: WARNING: vmlinux.o(.text+0x14c8): Section mismatch: reference to .init.data:vsyscall_int80_start (between 'fiddle_vdso' and 'xen_setup_features') fiddle_vdso was only used from a __init function - so declare it __init. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: Chris Wright <chrisw@sous-sol.org> Cc: WANG Cong <xiyou.wangcong@gmail.com> Cc: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
41 lines
1.1 KiB
ArmAsm
41 lines
1.1 KiB
ArmAsm
/* Xen-specific pieces of head.S, intended to be included in the right
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place in head.S */
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#ifdef CONFIG_XEN
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#include <linux/elfnote.h>
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#include <linux/init.h>
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#include <asm/boot.h>
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#include <xen/interface/elfnote.h>
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__INIT
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ENTRY(startup_xen)
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movl %esi,xen_start_info
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cld
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movl $(init_thread_union+THREAD_SIZE),%esp
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jmp xen_start_kernel
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__FINIT
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.pushsection .bss.page_aligned
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.align PAGE_SIZE_asm
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ENTRY(hypercall_page)
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.skip 0x1000
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.popsection
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ELFNOTE(Xen, XEN_ELFNOTE_GUEST_OS, .asciz "linux")
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ELFNOTE(Xen, XEN_ELFNOTE_GUEST_VERSION, .asciz "2.6")
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ELFNOTE(Xen, XEN_ELFNOTE_XEN_VERSION, .asciz "xen-3.0")
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ELFNOTE(Xen, XEN_ELFNOTE_VIRT_BASE, .long __PAGE_OFFSET)
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ELFNOTE(Xen, XEN_ELFNOTE_ENTRY, .long startup_xen)
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ELFNOTE(Xen, XEN_ELFNOTE_HYPERCALL_PAGE, .long hypercall_page)
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ELFNOTE(Xen, XEN_ELFNOTE_FEATURES, .asciz "!writable_page_tables|pae_pgdir_above_4gb")
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#ifdef CONFIG_X86_PAE
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ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "yes")
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#else
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ELFNOTE(Xen, XEN_ELFNOTE_PAE_MODE, .asciz "no")
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#endif
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ELFNOTE(Xen, XEN_ELFNOTE_LOADER, .asciz "generic")
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#endif /*CONFIG_XEN */
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