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If CONFIG_X86_X32_ABI is defined, add the x32 system calls to the
system call tables.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Split the 64-bit system calls into "64" (64-bit only) and "common"
(64-bit or x32) and add the x32 system call numbers.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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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>
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Adjust spacing for comment so that it matches the multiline comment
style used in the rest of the kernel, and remove word duplication.
It is not really clear what version of gcc this refers to, but the
extra & doesn't cause any harm, so there is no reason to remove it.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:
a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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This patch consolidates the header guard names which are also used
externally, i.e. in .c files.
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
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After the patch:
total: 0 errors, 1 warnings, 29 lines checked
no code changed:
arch/x86/kernel/syscall_64.o:
text data bss dec hex filename
2304 0 0 2304 900 syscall_64.o.before
2304 0 0 2304 900 syscall_64.o.after
md5:
0fdbb875cde8892296585226b92f4333 syscall_64.o.before.asm
0fdbb875cde8892296585226b92f4333 syscall_64.o.after.asm
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Move the headers to include/asm-x86 and fixup the
header install make rules
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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