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On Thursday 30 May 2013 02:56:22 Ganesh Kumar wrote: > I'm trying to understand the vDSO concept in linux kernel. you might want to look at the linux-man mailing list as a vdso(7) page has been posted there and there's been background discussion on the implementation details > once the support for the vDSO is added to a platform say X86, > what is the dependency of libc in order to get the vDSO up and running > from user space. > should there be a corresponding support be implemented in libc also? the kernel takes care of mapping it into the address space (you don't get a choice). it is up to the C library to then leverage it as it sees fit. > I'm asking this question because, I see support for x86 vDSO in kernel > 3.9.4 and correspondingly there are files in glibc2.15 for the x86 vDSO > But at the same time for arm64 vDSO support is there in kernel 3.9.4 > but I unable > to find corresponding vDSO files in glibc 2.15 aarch64 support isn't in glibc 2.15. update to the latest release. -mike
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