On 6/6/25 1:55 PM, Bowman, Terry wrote:
>
>
> On 6/6/2025 3:30 PM, Dave Jiang wrote:
>>
>> On 6/3/25 10:22 AM, Terry Bowman wrote:
>>> __cxl_handle_cor_ras() is missing logic to leave the function early in the
>>> case there is no RAS error. Update __cxl_handle_cor_ras() to exit early in
>>> the case there is no RAS errors detected after applying the mask.
>> This change is small enough that I would just fold it into the patch that introduces this function.
>>
>> DJ
> I agree. The problem is it was already present before this series. This is a 'fix'. I had this change in:
> [PATCH v9 09/16] cxl/pci: Log message if RAS registers are unmapped
> but was asked to move out because it appeared as an unrelated miscellaneous patch.
Ok. Then
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
>
> Terry
>>> Signed-off-by: Terry Bowman <terry.bowman@xxxxxxx>
>>> ---
>>> drivers/cxl/core/pci.c | 9 +++++----
>>> 1 file changed, 5 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
>>> index 0f4c07fd64a5..f5f87c2c3fd5 100644
>>> --- a/drivers/cxl/core/pci.c
>>> +++ b/drivers/cxl/core/pci.c
>>> @@ -677,10 +677,11 @@ static void __cxl_handle_cor_ras(struct device *dev, u64 serial,
>>>
>>> addr = ras_base + CXL_RAS_CORRECTABLE_STATUS_OFFSET;
>>> status = readl(addr);
>>> - if (status & CXL_RAS_CORRECTABLE_STATUS_MASK) {
>>> - writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
>>> - trace_cxl_aer_correctable_error(dev, serial, status);
>>> - }
>>> + if (!(status & CXL_RAS_CORRECTABLE_STATUS_MASK))
>>> + return;
>>> + writel(status & CXL_RAS_CORRECTABLE_STATUS_MASK, addr);
>>> +
>>> + trace_cxl_aer_correctable_error(dev, serial, status);
>>> }
>>>
>>> static void cxl_handle_endpoint_cor_ras(struct cxl_dev_state *cxlds)
>
