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x86, asmlinkage, lguest: Fix C functions used by inline assembler

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- Make the C code used by the paravirt stubs visible
- Since they have to be global now, give them a more unique
name.

Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1382458079-24450-3-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Andi Kleen 2013-10-22 09:07:54 -07:00 committed by H. Peter Anvin
parent d8ec26d7f8
commit 9549b9b347
1 changed files with 6 additions and 6 deletions
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12
arch/x86/lguest/boot.c
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@ -233,13 +233,13 @@ static void lguest_end_context_switch(struct task_struct *next)
* flags word contains all kind of stuff, but in practice Linux only cares
* about the interrupt flag. Our "save_flags()" just returns that.
*/
static unsigned long save_fl(void)
asmlinkage unsigned long lguest_save_fl(void)
{
return lguest_data.irq_enabled;
}
/* Interrupts go off... */
static void irq_disable(void)
asmlinkage void lguest_irq_disable(void)
{
lguest_data.irq_enabled = 0;
}
@ -253,8 +253,8 @@ static void irq_disable(void)
* PV_CALLEE_SAVE_REGS_THUNK(), which pushes %eax onto the stack, calls the
* C function, then restores it.
*/
PV_CALLEE_SAVE_REGS_THUNK(save_fl);
PV_CALLEE_SAVE_REGS_THUNK(irq_disable);
PV_CALLEE_SAVE_REGS_THUNK(lguest_save_fl);
PV_CALLEE_SAVE_REGS_THUNK(lguest_irq_disable);
/*:*/
/* These are in i386_head.S */
@ -1291,9 +1291,9 @@ __init void lguest_init(void)
*/
/* Interrupt-related operations */
pv_irq_ops.save_fl = PV_CALLEE_SAVE(save_fl);
pv_irq_ops.save_fl = PV_CALLEE_SAVE(lguest_save_fl);
pv_irq_ops.restore_fl = __PV_IS_CALLEE_SAVE(lg_restore_fl);
pv_irq_ops.irq_disable = PV_CALLEE_SAVE(irq_disable);
pv_irq_ops.irq_disable = PV_CALLEE_SAVE(lguest_irq_disable);
pv_irq_ops.irq_enable = __PV_IS_CALLEE_SAVE(lg_irq_enable);
pv_irq_ops.safe_halt = lguest_safe_halt;