Brian Gerst b12bdaf11f x86: use regparm(3) for passed-in pt_regs pointer ... Some syscalls need to access the pt_regs structure, either to copy user register state or to modifiy it. This patch adds stubs to load the address of the pt_regs struct into the %eax register, and changes the syscalls to take the pointer as an argument instead of relying on the assumption that the pt_regs structure overlaps the function arguments. Drop the use of regparm(1) due to concern about gcc bugs, and to move in the direction of the eventual removal of regparm(0) for asmlinkage. Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>		2009-02-11 14:00:56 -08:00
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asm	x86: use regparm(3) for passed-in pt_regs pointer	2009-02-11 14:00:56 -08:00