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* treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2019-05-211-0/+1
| | | | | | | | | | | | | | Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* x86/asm/entry: Move the compat syscall entry code to arch/x86/entry/Ingo Molnar2015-06-031-1/+1
| | | | | | | | | | | | | | | Move the ia32entry.S file over into arch/x86/entry/. Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: Brian Gerst <brgerst@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/compat: Merge native and compat 32-bit syscall tablesBrian Gerst2015-03-041-1/+0
| | | | | | | | | | | | Combine the 32-bit syscall tables into one file. Signed-off-by: Brian Gerst <brgerst@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1425439896-8322-3-git-send-email-brgerst@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/compat: Remove compat_ni_syscall()Brian Gerst2015-03-041-1/+1
| | | | | | | | | | | | compat_ni_syscall() does the same thing as sys_ni_syscall(). Signed-off-by: Brian Gerst <brgerst@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1425439896-8322-2-git-send-email-brgerst@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* merge compat sys_ipc instancesAl Viro2013-03-031-3/+0
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* x86: Generate system call tables and unistd_*.h from tablesH. Peter Anvin2011-11-171-1/+1
| | | | | | | | | | | | | | | | | | | | | Generate system call tables and unistd_*.h automatically from the tables in arch/x86/syscalls. All other information, like NR_syscalls, is auto-generated, some of which is in asm-offsets_*.c. This allows us to keep all the system call information in one place, and allows for kernel space and user space to see different information; this is currently used for the ia32 system call numbers when building the 64-bit kernel, but will be used by the x32 ABI in the near future. This also removes some gratuitious differences between i386, x86-64 and ia32; in particular, now all system call tables are generated with the same mechanism. Cc: H. J. Lu <hjl.tools@gmail.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86-64, ia32: Move compat_ni_syscall into C and its own fileH. Peter Anvin2011-11-171-0/+1
| | | | | | | | Move compat_ni_syscall out of ia32entry.S and into its own .c file. Although this is a trivial function, it is not performance-critical, and this will simplify further cleanups. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
* x86: compat_binfmt_elfRoland McGrath2008-01-301-2/+1
| | | | | | | | | This switches x86-64's 32-bit ELF support to use the shared fs/compat_binfmt_elf.c code instead of our own ia32_binfmt.c. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 i387 user_regsetRoland McGrath2008-01-301-1/+1
| | | | | | | | | | | | | | | This revamps the i387 code to be shared across 32-bit, 64-bit, and 32-on-64. It does so by consolidating the code in one place based on the user_regset accessor interfaces. This switches 32-bit to using the i387_64.h header and 64-bit to using the i387.c that was previously i387_32.c, but that's what took the least cleanup in each file. Here i387.h is stubbed to always include i387_64.h rather than renaming the file, to keep this diff smaller and easier to read. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: x86 ptrace merge completeRoland McGrath2008-01-301-1/+1
| | | | | | | | | This switches over the 64-bit build to use the shared ptrace code, instead of the old ptrace_64.c and arch/x86/ia32/ptrace32.c code. Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86: tls32 movedRoland McGrath2008-01-301-1/+1
| | | | | | | | | | | | This renames arch/x86/ia32/tls32.c to arch/x86/kernel/tls.c, which does nothing now but paves the way to consolidate this code for 32-bit too. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Zachary Amsden <zach@vmware.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86 vDSO: ia32 vsyscall removalRoland McGrath2008-01-301-37/+0
| | | | | | | | | | | | This removes all the old vsyscall code from arch/x86/ia32/ that is no longer used because arch/x86/vdso/ code has replaced it. 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>
* x86 vDSO: consolidate vdso32Roland McGrath2008-01-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | This makes x86_64's ia32 emulation support share the sources used in the 32-bit kernel for the 32-bit vDSO and much of its setup code. The 32-bit vDSO mapping now behaves the same on x86_64 as on native 32-bit. The abi.syscall32 sysctl on x86_64 now takes the same values that vm.vdso_enabled takes on the 32-bit kernel. That is, 1 means a randomized vDSO location, 2 means the fixed old address. The CONFIG_COMPAT_VDSO option is now available to make this the default setting, the same meaning it has for the 32-bit kernel. (This does not affect the 64-bit vDSO.) The argument vdso32=[012] can be used on both 32-bit and 64-bit kernels to set this paramter at boot time. The vdso=[012] argument still does this same thing on the 32-bit kernel. 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>
* x86: remove the duplicated arch/x86/ia32/mmap32.cThomas Gleixner2008-01-301-2/+1
| | | | | | | Use mmap_32.c in arch/x86/mm instead Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86_64: install unstripped copies of compat vdso on diskRoland McGrath2007-10-171-4/+21
| | | | | | | | | | | | | | | This keeps an unstripped copy of the vDSO images built before they are stripped and embedded in the kernel. The unstripped copies get installed in $(MODLIB)/vdso/ by "make install" (or you can explicitly use the subtarget "make vdso_install"). These files can be useful when they contain source-level debugging information. [ tglx: arch/x86 adaptation ] Signed-off-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* x86_64: move ia32Thomas Gleixner2007-10-111-0/+35
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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