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Subject[PATCH 34/74] x86, lto, lguest: Fix C functions used by inline assembler
Date
From: Andi Kleen <ak@linux.intel.com>

- 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@rustcorp.com.au
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
arch/x86/lguest/boot.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 642d880..dd167d2 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -234,13 +234,13 @@ 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;
}
@@ -254,8 +254,8 @@ 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 */
@@ -1285,9 +1285,9 @@ __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;

--
1.7.7.6


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