Thanks, I'll check in a clearer version of this.
-- Keir
On 03/03/2009 06:46, "Joe Jin" <joe.jin@xxxxxxxxxx> wrote:
> Hi,
>
> When 32bit pvhvm running on 64bit hypervisor, if guest OS create
> event-channel more than 32, Domain0 maybe could not communication
> with guest OS via new event-channel, also xenwatch thread state
> is TASK_UNINTERRUPTIBLE and could not got schedule, all inter-domain
> command almost no response.
>
> How to reproduce:
> Try to with "xm block-attach" attach more disk to the pvhvm
> guest, the issue will appear.
>
> This caused by hypervisor could not probe and decide if pvhvm guest
> running in COMPAT mode, and could set the right bits for guest os.
>
> Please review, thanks.
>
> Signed-off-by: Joe Jin <joe.jin@xxxxxxxxxx>
> ---
>
> domain.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff -r 98d48f7680db xen/include/asm-x86/domain.h
> --- a/xen/include/asm-x86/domain.h Wed Nov 19 19:13:22 2008 +0000
> +++ b/xen/include/asm-x86/domain.h Tue Mar 03 14:35:19 2009 +0800
> @@ -16,7 +16,7 @@
> #define is_pv_32on64_domain(d) (0)
> #endif
> #define is_pv_32on64_vcpu(v) (is_pv_32on64_domain((v)->domain))
> -#define IS_COMPAT(d) (is_pv_32on64_domain(d))
> +#define IS_COMPAT(d) (is_pv_32on64_domain(d) ||
> has_32bit_shinfo(d))
>
> struct trap_bounce {
> uint32_t error_code;
>
>
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