Roland McGrath 5de253cc5b x86 vDSO: don't map 32-bit vdso when disabled ... We map a VMA for the 32-bit vDSO even when it's disabled, which is stupid. For the 32-bit kernel it's the vdso_enabled boot parameter/sysctl and for the 64-bit kernel it's the vdso32 boot parameter/syscall32 sysctl. When it's disabled, we don't pass AT_SYSINFO_EHDR so processes don't use the vDSO for anything, but we still map it. For the non-compat vDSO, this means we're always putting an extra VMA somewhere, maybe lousing up the control of the address space the user was hoping for. Honor the setting by doing nothing in arch_setup_additional_pages. [ also see: "x86 vDSO: don't use disabled vDSO for signal trampoline" ] Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2008-04-17 17:40:45 +02:00
..
vdso32	x86: gitignore arch/x86/vdso files	2008-01-30 13:32:32 +01:00
.gitignore	x86: add vdso32-int80-syms.lds to .gitignore	2008-01-30 13:33:24 +01:00
Makefile	x86 vdso: fix build locale dependency	2008-02-29 18:55:39 +01:00
vclock_gettime.c	x86: remove duplicate includes	2008-01-30 13:30:32 +01:00
vdso32-setup.c	x86 vDSO: don't map 32-bit vdso when disabled	2008-04-17 17:40:45 +02:00
vdso32.S	x86 vDSO: consolidate vdso32	2008-01-30 13:30:43 +01:00
vdso-layout.lds.S	x86 vDSO: new layout	2008-01-30 13:30:41 +01:00
vdso-note.S
vdso.lds.S	x86 vDSO: new layout	2008-01-30 13:30:41 +01:00
vdso.S
vextern.h
vgetcpu.c	x86: introduce native_read_tscp	2008-01-30 13:31:06 +01:00
vma.c	x86 vDSO: use vdso-syms.lds	2008-01-30 13:30:41 +01:00
vvar.c