From: Juergen Gross Date: Thu, 10 Aug 2017 11:24:28 +0000 (+0200) Subject: libxc: increase maximum migration stream record length X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1500 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e48e33e219a8b045170bdc78f2eb96408d320f2b;p=xen.git libxc: increase maximum migration stream record length Today the maximum record lenth in a migration stream is 8MB. This limits the size of a PV domain to a little bit less than 1TB in the migration case, as the P2M frame list will exceed 8MB in this case. Raising the record size limit by a factor of 16 allows for domain sizes of nearly 16TB to be migrated. This ought to be enough. Signed-off-by: Juergen Gross Acked-by: Ian Jackson --- diff --git a/tools/libxc/xc_sr_stream_format.h b/tools/libxc/xc_sr_stream_format.h index 3291b256fd..15ff1c7efb 100644 --- a/tools/libxc/xc_sr_stream_format.h +++ b/tools/libxc/xc_sr_stream_format.h @@ -57,8 +57,8 @@ struct xc_sr_rhdr /* All records must be aligned up to an 8 octet boundary */ #define REC_ALIGN_ORDER (3U) -/* Somewhat arbitrary - 8MB */ -#define REC_LENGTH_MAX (8U << 20) +/* Somewhat arbitrary - 128MB */ +#define REC_LENGTH_MAX (128U << 20) #define REC_TYPE_END 0x00000000U #define REC_TYPE_PAGE_DATA 0x00000001U