Re: [Xen-devel] [PATCH] xen/pvh: Indicate XENFEAT_linux_rsdp_unrestricted to Xen

2018-04-10 Thread Boris Ostrovsky
On 04/09/2018 02:51 PM, Boris Ostrovsky wrote: > Pre-4.17 kernels ignored start_info's rsdp_paddr pointer and instead > relied on finding RSDP in standard location in BIOS RO memory. This > has worked since that's where Xen used to place it. > > However, with recent Xen change (commit 4a5733771e6f

Re: [Xen-devel] [PATCH] xen/pvh: Indicate XENFEAT_linux_rsdp_unrestricted to Xen

2018-04-10 Thread Wei Liu
On Mon, Apr 09, 2018 at 02:51:44PM -0400, Boris Ostrovsky wrote: > Pre-4.17 kernels ignored start_info's rsdp_paddr pointer and instead > relied on finding RSDP in standard location in BIOS RO memory. This > has worked since that's where Xen used to place it. > > However, with recent Xen change

Re: [Xen-devel] [PATCH] xen/pvh: Indicate XENFEAT_linux_rsdp_unrestricted to Xen

2018-04-09 Thread Juergen Gross
On 09/04/18 20:51, Boris Ostrovsky wrote: > Pre-4.17 kernels ignored start_info's rsdp_paddr pointer and instead > relied on finding RSDP in standard location in BIOS RO memory. This > has worked since that's where Xen used to place it. > > However, with recent Xen change (commit 4a5733771e6f

[Xen-devel] [PATCH] xen/pvh: Indicate XENFEAT_linux_rsdp_unrestricted to Xen

2018-04-09 Thread Boris Ostrovsky
Pre-4.17 kernels ignored start_info's rsdp_paddr pointer and instead relied on finding RSDP in standard location in BIOS RO memory. This has worked since that's where Xen used to place it. However, with recent Xen change (commit 4a5733771e6f ("libxl: put RSDP for PVH guest near 4GB")) it prefers