Re: [PATCH v2 4/5] linux-user: Add x86_64 vsyscall page to /proc/self/maps

2020-01-20 Thread Alex Bennée
Richard Henderson writes: > The page isn't (necessarily) present in the host /proc/self/maps, > and even if it might be it isn't present in page_flags, and even > if it was it might not have the same set of page permissions. > > The easiest thing to do, particularly when it comes to the > "[vsy

Re: [PATCH v2 4/5] linux-user: Add x86_64 vsyscall page to /proc/self/maps

2020-01-16 Thread Philippe Mathieu-Daudé
On 1/16/20 8:43 PM, Richard Henderson wrote: The page isn't (necessarily) present in the host /proc/self/maps, and even if it might be it isn't present in page_flags, and even if it was it might not have the same set of page permissions. The easiest thing to do, particularly when it comes to the

[PATCH v2 4/5] linux-user: Add x86_64 vsyscall page to /proc/self/maps

2020-01-16 Thread Richard Henderson
The page isn't (necessarily) present in the host /proc/self/maps, and even if it might be it isn't present in page_flags, and even if it was it might not have the same set of page permissions. The easiest thing to do, particularly when it comes to the "[vsyscall]" note at the end of line, is to sp