Il 16/12/2013 10:57, Jan Kiszka ha scritto:
> Add missing include of desc.h for prototypes of setup_idt and
> set_idt_entry and cast away the volatile of ipi_data - it's not volatile
> while we run the IPI handler.
>
> Signed-off-by: Jan Kiszka <[email protected]>
The right fix is to change the declaration from
static volatile void *ipi_data; // Pointer to volatile void
to
static void *volatile ipi_data; // Volatile pointer to void
Paolo
> ---
> lib/x86/smp.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/x86/smp.c b/lib/x86/smp.c
> index d4c8106..75ac081 100644
> --- a/lib/x86/smp.c
> +++ b/lib/x86/smp.c
> @@ -3,6 +3,7 @@
> #include "smp.h"
> #include "apic.h"
> #include "fwcfg.h"
> +#include "desc.h"
>
> #define IPI_VECTOR 0x20
>
> @@ -18,7 +19,7 @@ static int _cpu_count;
> static __attribute__((used)) void ipi()
> {
> void (*function)(void *data) = ipi_function;
> - void *data = ipi_data;
> + void *data = (void *)ipi_data;
> bool wait = ipi_wait;
>
> if (!wait) {
>
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