linux_dsm_epyc7002/arch/x86/ia32
Roland McGrath 36197c92a2 x86 vDSO: ia32 sysenter_return
This changes the 64-bit kernel's support for the 32-bit sysenter
instruction to use stored fields rather than constants for the
user-mode return address, as the 32-bit kernel does.  This adds a
sysenter_return field to struct thread_info, as 32-bit has.  There
is no observable effect from this yet.  It makes the assembly code
independent of the 32-bit vDSO mapping address, paving the way for
making the vDSO address vary as it does on the 32-bit kernel.

[ akpm@linux-foundation.org: build fix on !CONFIG_IA32_EMULATION ]

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-01-30 13:30:43 +01:00
..
audit.c i386/x86_64: move headers to include/asm-x86 2007-10-11 11:20:03 +02:00
fpu32.c x86: remove dead code in ia32-emu 2008-01-30 13:30:32 +01:00
ia32_aout.c x86: clean up arch/x86/ia32/aout32.c 2008-01-30 13:30:07 +01:00
ia32_binfmt.c x86: Use linux/elfcore-compat.h 2007-10-19 20:35:02 +02:00
ia32_signal.c x86: clean up arch/x86/ia32/ia32_signal.c 2008-01-30 13:30:07 +01:00
ia32entry.S x86 vDSO: ia32 sysenter_return 2008-01-30 13:30:43 +01:00
ipc32.c x86: clean up arch/x86/ia32/ipc32.c 2008-01-30 13:30:08 +01:00
Makefile x86: remove the duplicated arch/x86/ia32/mmap32.c 2008-01-30 13:30:26 +01:00
ptrace32.c x86: clean up arch/x86/ia32/ptrace32.c 2008-01-30 13:30:08 +01:00
sys_ia32.c x86: clean up arch/x86/ia32/sys_ia32.c 2008-01-30 13:30:08 +01:00
syscall32_syscall.S x86_64: move ia32 2007-10-11 11:17:21 +02:00
syscall32.c x86 vDSO: ia32 sysenter_return 2008-01-30 13:30:43 +01:00
tls32.c x86_64: move ia32 2007-10-11 11:17:21 +02:00
vsyscall-sigreturn.S x86 vDSO: arch/x86/vdso/vdso32 2008-01-30 13:30:42 +01:00
vsyscall-syscall.S x86_64: move ia32 2007-10-11 11:17:21 +02:00
vsyscall-sysenter.S x86_64: move ia32 2007-10-11 11:17:21 +02:00
vsyscall.lds x86_64: move ia32 2007-10-11 11:17:21 +02:00