linux-toradex.git/arch/x86/ia32/Makefile, branch master

x86/signal/32: Merge native and compat 32-bit signal code

2022-10-19T07:58:49+00:00

There are significant differences between signal handling on 32-bit vs.
64-bit, like different structure layouts and legacy syscalls.  Instead
of duplicating that code for native and compat, merge both versions
into one file.

Signed-off-by: Brian Gerst 
Signed-off-by: Borislav Petkov 
Acked-by: "Eric W. Biederman" 
Link: https://lore.kernel.org/r/20220606203802.158958-8-brgerst@gmail.com
Signed-off-by: Borislav Petkov

x86: Remove a.out support

2022-04-11T16:04:27+00:00

Commit

  eac616557050 ("x86: Deprecate a.out support")

deprecated a.out support with the promise to remove it a couple of
releases later. That commit landed in v5.1.

Now it is more than a couple of releases later, no one has complained so
remove it.

Fold in a hunk removing the reference to arch/x86/ia32/ia32_aout.c in
MAINTAINERS:

  https://lore.kernel.org/r/20220316050828.17255-1-lukas.bulwahn@gmail.com

Signed-off-by: Borislav Petkov 
Reviewed-by: Kees Cook 
Link: https://lore.kernel.org/r/20220113160115.5375-1-bp@alien8.de

x86/entry/32: Use IA32-specific wrappers for syscalls taking 64-bit arguments

2020-03-21T15:03:24+00:00

For the 32-bit syscall interface, 64-bit arguments (loff_t) are passed via
a pair of 32-bit registers.  These register pairs end up in consecutive stack
slots, which matches the C ABI for 64-bit arguments.  But when accessing the
registers directly from pt_regs, the wrapper needs to manually reassemble the
64-bit value.  These wrappers already exist for 32-bit compat, so make them
available to 32-bit native in preparation for enabling pt_regs-based syscalls.

Signed-off-by: Brian Gerst 
Signed-off-by: Thomas Gleixner 
Reviewed-by: Dominik Brodowski 
Link: https://lkml.kernel.org/r/20200313195144.164260-16-brgerst@gmail.com

treewide: Add SPDX license identifier - Makefile/Kconfig

2019-05-21T08:50:46+00:00

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 
Signed-off-by: Greg Kroah-Hartman

x86/asm/entry: Move the compat syscall entry code to arch/x86/entry/

2015-06-03T16:51:32+00:00

Move the ia32entry.S file over into arch/x86/entry/.

Cc: Borislav Petkov 
Cc: H. Peter Anvin 
Cc: Linus Torvalds 
Cc: Thomas Gleixner 
Cc: Andy Lutomirski 
Cc: Denys Vlasenko 
Cc: Brian Gerst 
Cc: Peter Zijlstra 
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar

x86/compat: Merge native and compat 32-bit syscall tables

2015-03-04T05:16:21+00:00

Combine the 32-bit syscall tables into one file.

Signed-off-by: Brian Gerst 
Cc: Borislav Petkov 
Cc: H. Peter Anvin 
Cc: Linus Torvalds 
Cc: Thomas Gleixner 
Link: http://lkml.kernel.org/r/1425439896-8322-3-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar

x86/compat: Remove compat_ni_syscall()

2015-03-04T05:16:21+00:00

compat_ni_syscall() does the same thing as sys_ni_syscall().

Signed-off-by: Brian Gerst 
Cc: Borislav Petkov 
Cc: H. Peter Anvin 
Cc: Linus Torvalds 
Cc: Thomas Gleixner 
Link: http://lkml.kernel.org/r/1425439896-8322-2-git-send-email-brgerst@gmail.com
Signed-off-by: Ingo Molnar

merge compat sys_ipc instances

2013-03-04T04:00:27+00:00

Signed-off-by: Al Viro

x86: Generate system call tables and unistd_*.h from tables

2011-11-17T21:35:37+00:00

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 
Cc: Sam Ravnborg 
Cc: Michal Marek 
Signed-off-by: H. Peter Anvin

x86-64, ia32: Move compat_ni_syscall into C and its own file

2011-11-17T21:35:35+00:00

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