Linux s390 Architecture development
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From: Claudio Imbrenda <imbrenda@linux.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org,
	borntraeger@de.ibm.com, frankja@linux.ibm.com, david@kernel.org,
	seiden@linux.ibm.com, nrb@linux.ibm.com,
	schlameuss@linux.ibm.com, gra@linux.ibm.com
Subject: [PATCH v2 7/7] KVM: s390: Return -EINTR if a signal was pending while faulting-in
Date: Mon, 13 Jul 2026 17:08:57 +0200	[thread overview]
Message-ID: <20260713150857.269954-8-imbrenda@linux.ibm.com> (raw)
In-Reply-To: <20260713150857.269954-1-imbrenda@linux.ibm.com>

If a signal is pending while trying to fault-in a page, return -EINTR
instead of -EAGAIN.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Fixes: e907ae530133 ("KVM: s390: Add helper functions for fault handling")
---
 arch/s390/kvm/faultin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/s390/kvm/faultin.c b/arch/s390/kvm/faultin.c
index fee80047bd94..235b9c66ce54 100644
--- a/arch/s390/kvm/faultin.c
+++ b/arch/s390/kvm/faultin.c
@@ -93,7 +93,7 @@ int kvm_s390_faultin_gfn(struct kvm_vcpu *vcpu, struct kvm *kvm, struct guest_fa
 			return PGM_ADDRESSING;
 		/* Signal pending: try again. */
 		if (f->pfn == KVM_PFN_ERR_SIGPENDING)
-			return -EAGAIN;
+			return -EINTR;
 		/* Check if it's read-only memory; don't try to actually handle that case. */
 		if (f->pfn == KVM_PFN_ERR_RO_FAULT)
 			return -EOPNOTSUPP;
-- 
2.55.0


  parent reply	other threads:[~2026-07-13 15:09 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-13 15:08 [PATCH v2 0/7] KVM: s390: Misc fixes Claudio Imbrenda
2026-07-13 15:08 ` [PATCH v2 1/7] KVM: s390: Fix unlikely NULL gmap dereference Claudio Imbrenda
2026-07-13 15:47   ` sashiko-bot
2026-07-13 15:08 ` [PATCH v2 2/7] KVM: s390: Return -EFAULT instead of PGM_ADDRESSING Claudio Imbrenda
2026-07-13 15:27   ` sashiko-bot
2026-07-13 15:08 ` [PATCH v2 3/7] KVM: s390: Fix race in __do_essa() Claudio Imbrenda
2026-07-13 15:31   ` sashiko-bot
2026-07-13 15:08 ` [PATCH v2 4/7] KVM: s390: cmma: Fix dirty tracking when removing memslot Claudio Imbrenda
2026-07-13 15:58   ` sashiko-bot
2026-07-13 15:08 ` [PATCH v2 5/7] KVM: s390: ucontrol: Add missing locking around gmap_remove_child() Claudio Imbrenda
2026-07-13 15:29   ` sashiko-bot
2026-07-13 15:08 ` [PATCH v2 6/7] KVM: s390: Fix overclearing ESCA in case of error Claudio Imbrenda
2026-07-13 15:31   ` sashiko-bot
2026-07-13 15:08 ` Claudio Imbrenda [this message]
2026-07-13 15:33   ` [PATCH v2 7/7] KVM: s390: Return -EINTR if a signal was pending while faulting-in sashiko-bot

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