Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] x86_64: fix perms/range of vsyscall vma in /proc/*/maps | Date | Fri, 10 Nov 2006 06:07:45 +0100 |
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On Friday 10 November 2006 02:20, Ernie Petrides wrote: > Hi, Andy. The final line of /proc/<pid>/maps on x86_64 for native 64-bit > tasks shows an incorrect ending address and incorrect permissions. There > is only a single page mapped in this vsyscall region, and it is accessible > for both read and execute.
The range reported is how much address space is reserved, but you're right it is less.
But I don't like hardcoding a page here -- this will likely be extended soon. Can you please create a new define VSYSCALL_REAL_LENGTH or similar in vsyscall.h and use that?
Thanks, -Andi
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