Re: [Xen-devel] [PATCH v3 13/13] xen-hvm: Mark inappropriate error handling FIXME

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 17 Dec 2015, Markus Armbruster wrote:
> Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Markus Armbruster <armbru@xxxxxxxxxx>
> ---
>  xen-hvm.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/xen-hvm.c b/xen-hvm.c
> index 3d78a0c..2a93390 100644
> --- a/xen-hvm.c
> +++ b/xen-hvm.c
> @@ -240,6 +240,7 @@ static void xen_ram_init(PCMachineState *pcms,
>  
>  void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr)
>  {
> +    /* FIXME caller ram_block_add() wants error_setg() on failure */
>      unsigned long nr_pfn;
>      xen_pfn_t *pfn_list;
>      int i;
> @@ -1192,6 +1193,12 @@ static void xen_wakeup_notifier(Notifier *notifier, 
> void *data)
>  int xen_hvm_init(PCMachineState *pcms,
>                   MemoryRegion **ram_memory)
>  {
> +    /*
> +     * FIXME Returns -1 without cleaning up on some errors (harmless
> +     * as long as the caller exit()s on error), dies with hw_error()

Could you please stop the comment here and just replace hw_error() with
either return -1 or exit(1) within xen_hvm_init?


> +     * on others.  hw_error() isn't approprate here.  Should probably
> +     * simply exit() on all errors.
> +     */
>      int i, rc;
>      xen_pfn_t ioreq_pfn;
>      xen_pfn_t bufioreq_pfn;
> -- 
> 2.4.3
> 
> 
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