Messages in this thread | | | Date | Tue, 09 Aug 2011 13:59:20 -0500 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 1/4] x86-64: Allow emulated vsyscalls from user addresses |
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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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