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SubjectRe: [PATCH 1/4] x86-64: Allow emulated vsyscalls from user addresses
On 08/09/2011 09:27 AM, Andy Lutomirski wrote:
> *
> * Vectors 0 ... 31 : system traps and exceptions - hardcoded events
> - * Vectors 32 ... 127 : device interrupts
> - * Vector 128 : legacy int80 syscall interface
> - * Vector 204 : legacy x86_64 vsyscall emulation
> - * Vectors 129 ... INVALIDATE_TLB_VECTOR_START-1 except 204 : device interrupts
> + * Vectors 32 ... INVALIDATE_TLB_VECTOR_START-1 : device interrupts, except:
> + * Vectors 64 ... 66 : legacy x86_64 vsyscall emulation
> + * Vector 128 : legacy int80 syscall interface
> * Vectors INVALIDATE_TLB_VECTOR_START ... 255 : special interrupts
> *

Hi Andy,

Was there a reason to not use the vectors in the 0x2X range?

-hpa



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