Re: [PATCH v2 0/3] fix xen hvm guest with kaslr enabled

[Boris Ostrovsky <boris.ostrovsky@oracle.com>]

On 08/08/2017 02:46 AM, Juergen Gross wrote:
> On 28/07/17 12:23, Juergen Gross wrote:
>> This patch series fixes a regression introduced in 4.13-rc1: A Xen
>> HVM guest with KASLR enabled wouldn't boot any longer due to the usage
>> of __va() before kernel_randomize_memory() was called.
>>
>> Changes in V2:
>> - patch 1: test for x86_hyper being not NULL
>>
>> Juergen Gross (3):
>>   x86: provide an init_mem_mapping hypervisor hook
>>   xen: split up xen_hvm_init_shared_info()
>>   xen: fix hvm guest with kaslr enabled
>>
>>  arch/x86/include/asm/hypervisor.h | 10 +++++++
>>  arch/x86/mm/init.c                |  3 ++
>>  arch/x86/xen/enlighten_hvm.c      | 59 ++++++++++++++++++++++++---------------
>>  3 files changed, 50 insertions(+), 22 deletions(-)
>>
> Could I have some feedback, please?
>
> I'd like to get this regression fixed in 4.13.
>
> In case nobody objects this week I'll just add the patches to the Xen
> tree for rc5.


As I said before I think .init_mem_mapping() could live in
x86_platform_ops() but this works too, so

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

But this still wants x86 maintainers' ACK.


-boris

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