x86, vdso: Make vsyscall_gtod_data handling x86 generic
This patch move the vsyscall_gtod_data handling out of vsyscall_64.c into an additonal file vsyscall_gtod.c to make the functionality available for x86 32 bit kernel. It also adds a new vsyscall_32.c which setup the VVAR page. Reviewed-by: NAndy Lutomirski <luto@amacapital.net> Signed-off-by: NStefani Seibold <stefani@seibold.net> Link: http://lkml.kernel.org/r/1395094933-14252-2-git-send-email-stefani@seibold.netSigned-off-by: NH. Peter Anvin <hpa@linux.intel.com>
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arch/x86/kernel/vsyscall_gtod.c
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