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linux-stable/arch/um/sys-x86_64
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Richard Weinberger f1c2bb8b99 um: implement a x86_64 vDSO 
Until now UML had no x86_64 vDSO.  So glibc always used the vsyscall page
for gettimeday() and friends.  Calls to gettimeday() returned falsely the
host time and confused some programs.

This patch adds a vDSO which turns all __vdso_* calls into a system call
so that UML can trap them.

As glibc still uses the vsyscall page for static binaries this patch
improves the situation only for dynamic binaries.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-07-25 20:57:13 -07:00
..
asm um: set __HAVE_ARCH_GATE_AREA for x86_64 2011-07-25 20:57:13 -07:00
shared/sysdep um: clean up vm-flags.h 2011-07-25 20:57:12 -07:00
vdso um: implement a x86_64 vDSO 2011-07-25 20:57:13 -07:00
bug.c uml: style fixes in arch/um/sys-x86_64 2008-02-05 09:44:31 -08:00
bugs.c uml: further bugs.c tidying 2008-02-05 09:44:25 -08:00
delay.c um: clean up delay functions 2011-07-25 20:57:12 -07:00
fault.c uml: style fixes pass 3 2007-10-16 09:43:05 -07:00
ksyms.c uml: memcpy export needs to follow host declaration 2008-06-06 11:29:10 -07:00
Makefile um: implement a x86_64 vDSO 2011-07-25 20:57:13 -07:00
mem.c um: set __HAVE_ARCH_GATE_AREA for x86_64 2011-07-25 20:57:13 -07:00
ptrace.c ptrace: cleanup arch_ptrace() on um 2010-10-27 18:03:12 -07:00
ptrace_user.c uml: style fixes in arch/um/sys-x86_64 2008-02-05 09:44:31 -08:00
setjmp.S
signal.c UML: add kernel.h include to signal.c 2010-04-20 17:47:24 +02:00
stub.S uml: fix a section warning 2009-06-16 19:47:47 -07:00
stub_segv.c uml: simplify SIGSEGV handling 2008-02-05 09:44:28 -08:00
syscall_table.c improve sys_newuname() for compat architectures 2010-03-12 15:52:32 -08:00
syscalls.c improve sys_newuname() for compat architectures 2010-03-12 15:52:32 -08:00
sysrq.c uml: style fixes in arch/um/sys-x86_64 2008-02-05 09:44:31 -08:00
tls.c uml: rename pt_regs general-purpose register file 2007-10-16 09:43:06 -07:00
user-offsets.c uml: tidy ptrace interface 2008-05-13 08:02:21 -07:00