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SubjectRe: [PATCH 2/7] x86, asmlinkage, lguest: Fix C functions used by inline assembler
Date
Andi Kleen <andi@firstfloor.org> writes:
> 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
> Cc: x86@kernel.org
> Signed-off-by: Andi Kleen <ak@linux.intel.com>

Acked-by: Rusty Russell <rusty@rustcorp.com.au>

Cheers,
Rusty.

> ---
> arch/x86/lguest/boot.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
> index bdf8532..ad1fb5f 100644
> --- a/arch/x86/lguest/boot.c
> +++ b/arch/x86/lguest/boot.c
> @@ -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;
>
> --
> 1.8.3.1


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