Re: [Xen-devel] [PATCH v3 0/2] xen/arm: physical timer improvements

[Jeff Kubascik <jeff.kubascik@dornerworks.com>]

Hello Julien,

On 1/16/2020 4:25 PM, Julien Grall wrote:
> Hi Jeff,
> 
> Do you plan to resend the series? If not, I am happy to respin the
> series for you.

Feel free! Unfortunately, I currently don't have the bandwidth to keep this
patch moving along.

> Best regards,
> 
> On 11/12/2019 21:13, Jeff Kubascik wrote:
>> This patch set improves the emulation of the physical timer by removing the
>> physical timer offset and sign extend the TimerValue to better match the
>> behavior described in the ARMv8 Reference Manual (ARM DDI 0487E.a), section
>> D11.2.4.
>>
>> Changes in v2:
>> - Update commit message to specify reference manual version and section
>> - Change physical timer cval to hold hardware value
>> - Make sure to sign extend TimerValue on writes. This was done by first
>>    casting the r pointer to (int32_t *), dereferencing it, then casting
>>    to uint64_t. Please let me know if there is a more correct way to do
>>    this
>>
>> Changes in v3:
>> - Split TimerValue sign extension fix into separate patch
>> - Update commit message to mention physical timer cleanup
>> - Removed physical timer cval initialization line
>> - Changed TimerValue sign extension to (uint64_t)(int32_t)*r
>> - Account for condition where cval < boot_count
>>
>> Jeff Kubascik (2):
>>    xen/arm: remove physical timer offset
>>    xen/arm: sign extend writes to TimerValue
>>
>>   xen/arch/arm/vtimer.c        | 34 ++++++++++++++++++----------------
>>   xen/include/asm-arm/domain.h |  3 ---
>>   2 files changed, 18 insertions(+), 19 deletions(-)
>>
> 
> --
> Julien Grall
> 

Sincerely,
Jeff Kubascik

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