linux-kernel - Re: [PATCH v1 2/2] KVM: s390: Fix FOLL_*/FAULT_FLAG

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Message-ID: <0c778373-3805-4dd2-b8ac-97d5ce77235f@redhat.com>
Date: Tue, 5 Aug 2025 14:11:56 +0200
From: David Hildenbrand <david@...hat.com>
To: Claudio Imbrenda <imbrenda@...ux.ibm.com>, linux-kernel@...r.kernel.org
Cc: linux-s390@...r.kernel.org, kvm@...r.kernel.org, frankja@...ux.ibm.com,
 seiden@...ux.ibm.com, nsg@...ux.ibm.com, nrb@...ux.ibm.com,
 schlameuss@...ux.ibm.com, hca@...ux.ibm.com, mhartmay@...ux.ibm.com,
 borntraeger@...ibm.com
Subject: Re: [PATCH v1 2/2] KVM: s390: Fix FOLL_*/FAULT_FLAG_* confusion

On 05.08.25 13:14, Claudio Imbrenda wrote:
> Pass the right type of flag to vcpu_dat_fault_handler(); it expects a
> FOLL_* flag (in particular FOLL_WRITE), but FAULT_FLAG_WRITE is passed
> instead.
> 
> This still works because they happen to have the same integer value,
> but it's a mistake, thus the fix.
> 
> Signed-off-by: Claudio Imbrenda <imbrenda@...ux.ibm.com>
> Fixes: 05066cafa925 ("s390/mm/fault: Handle guest-related program interrupts in KVM")
> ---

Reviewed-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb