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SubjectRe: [PATCH 2/2] hvc_xen: fix xenboot for DomUs
Hi kbuild test robot,

you are awesome as always. I'll fix it in the next version.

Thanks,

Stefano

On Wed, 24 Feb 2016, kbuild test robot wrote:
> Hi Stefano,
>
> [auto build test WARNING on tty/tty-testing]
> [also build test WARNING on v4.5-rc5 next-20160223]
> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
>
> url: https://github.com/0day-ci/linux/commits/Stefano-Stabellini/hvc_xen-add-earlycon-support/20160224-203006
> base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
> config: x86_64-randconfig-x009-201608 (attached as .config)
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All warnings (new ones prefixed by >>):
>
> drivers/tty/hvc/hvc_xen.c: In function 'xenboot_setup_console':
> >> drivers/tty/hvc/hvc_xen.c:637:1: warning: control reaches end of non-void function [-Wreturn-type]
> }
> ^
>
> vim +637 drivers/tty/hvc/hvc_xen.c
>
> 621 }
> 622 if (off < len)
> 623 domU_write_console(0, string+off, len-off);
> 624 }
> 625
> 626 #ifdef CONFIG_EARLY_PRINTK
> 627 static int xenboot_setup_console(struct console *console, char *string)
> 628 {
> 629 static struct xencons_info xenboot;
> 630
> 631 if (xen_initial_domain())
> 632 return 0;
> 633 if (!xen_pv_domain())
> 634 return -ENODEV;
> 635
> 636 xen_early_pv_console_init(&xenboot, 0);
> > 637 }
> 638
> 639 static void xenboot_write_console(struct console *console, const char *string,
> 640 unsigned len)
> 641 {
> 642 if (!xen_pv_domain())
> 643 return;
> 644
> 645 dom0_write_console(0, string, len);
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>

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