Impact: cleanup
In asm/system.h moved out __switch_to from CONFIG_X86_32 as it is common for
both 32 and 64 bit.
In asm/pctl.h defined sys_arch_prctl
Signed-off-by: Jaswinder Singh <jaswinder@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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>
