mirror of https://gitee.com/openkylin/linux.git
x86: fix compile error in current tip.git
Gas 2.15 complains about 32-bit registers being used in lea. AS arch/x86/lib/copy_user_64.o /local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_64.S: Assembler messages: /local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_64.S:188: Error: `(%edx,%ecx,8)' is not a valid 64 bit base/index expression /local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_64.S:257: Error: `(%edx,%ecx,8)' is not a valid 64 bit base/index expression AS arch/x86/lib/copy_user_nocache_64.o /local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_nocache_64.S: Assembler messages: /local/scratch-2/jeremy/hg/xen/paravirt/linux/arch/x86/lib/copy_user_nocache_64.S:107: Error: `(%edx,%ecx,8)' is not a valid 64 bit base/index expression Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Vitaly Mayatskikh <v.mayatskih@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -185,7 +185,7 @@ ENTRY(copy_user_generic_unrolled)
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30: shll $6,%ecx
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addl %ecx,%edx
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jmp 60f
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40: leal (%edx,%ecx,8),%edx
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40: lea (%rdx,%rcx,8),%rdx
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jmp 60f
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50: movl %ecx,%edx
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60: jmp copy_user_handle_tail /* ecx is zerorest also */
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@ -254,7 +254,7 @@ ENTRY(copy_user_generic_string)
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ret
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.section .fixup,"ax"
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11: leal (%edx,%ecx,8),%ecx
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11: lea (%rdx,%rcx,8),%rcx
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12: movl %ecx,%edx /* ecx is zerorest also */
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jmp copy_user_handle_tail
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.previous
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@ -104,7 +104,7 @@ ENTRY(__copy_user_nocache)
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30: shll $6,%ecx
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addl %ecx,%edx
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jmp 60f
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40: leal (%edx,%ecx,8),%edx
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40: lea (%rdx,%rcx,8),%rdx
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jmp 60f
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50: movl %ecx,%edx
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60: sfence
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