On 13/05/19 11:58, Nadav Amit wrote:
> In some cases, shutdown through the test device and Bochs might fail.
> Just hang in a loop that executes halt in such cases. Remove the
> __builtin_unreachable() as it is not needed anymore.
>
> Signed-off-by: Nadav Amit <nadav.amit@xxxxxxxxx>
> ---
> lib/x86/io.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/lib/x86/io.c b/lib/x86/io.c
> index f3e01f7..f4ffb44 100644
> --- a/lib/x86/io.c
> +++ b/lib/x86/io.c
> @@ -99,7 +99,11 @@ void exit(int code)
> #else
> asm volatile("out %0, %1" : : "a"(code), "d"((short)0xf4));
> #endif
> - __builtin_unreachable();
> +
> + /* Fallback */
> + while (1) {
> + asm volatile("hlt" ::: "memory");
> + }
> }
>
> void __iomem *ioremap(phys_addr_t phys_addr, size_t size)
>
Queued, thanks.
Paolo
