From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Claudio Imbrenda <imbrenda@linux.ibm.com>, kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
frankja@linux.ibm.com, nsg@linux.ibm.com, nrb@linux.ibm.com,
seiden@linux.ibm.com, gra@linux.ibm.com,
schlameuss@linux.ibm.com, hca@linux.ibm.com, svens@linux.ibm.com,
agordeev@linux.ibm.com, gor@linux.ibm.com, david@redhat.com,
gerald.schaefer@linux.ibm.com
Subject: Re: [PATCH v5 22/23] KVM: s390: Enable 1M pages for gmap
Date: Mon, 24 Nov 2025 18:35:53 +0100 [thread overview]
Message-ID: <da705f02-9f8f-4a4c-96c6-b507c88f92b8@de.ibm.com> (raw)
In-Reply-To: <20251124115554.27049-23-imbrenda@linux.ibm.com>
Am 24.11.25 um 12:55 schrieb Claudio Imbrenda:
[...]
> @@ -5837,11 +5838,6 @@ static int __init kvm_s390_init(void)
> return -ENODEV;
> }
>
> - if (nested && hpage) {
> - pr_info("A KVM host that supports nesting cannot back its KVM guests with huge pages\n");
> - return -EINVAL;
> - }
> -
Yay. As a followup (when things have settled) we should set either set the default of hpage
to 1 or even remove the hpage kernel parameter alltogether.
next prev parent reply other threads:[~2025-11-24 17:36 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-24 11:55 [PATCH v5 00/23] KVM: s390: gmap rewrite, the real deal Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 01/23] KVM: s390: Refactor pgste lock and unlock functions Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 02/23] KVM: s390: add P bit in table entry bitfields, move union vaddress Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 03/23] s390: Move sske_frame() to a header Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 04/23] KVM: s390: Add gmap_helper_set_unused() Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 05/23] KVM: s390: Enable KVM_GENERIC_MMU_NOTIFIER Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 06/23] KVM: s390: Rename some functions in gaccess.c Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 07/23] KVM: s390: KVM-specific bitfields and helper functions Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 08/23] KVM: s390: KVM page table management functions: allocation Claudio Imbrenda
2025-11-24 12:27 ` Janosch Frank
2025-11-24 12:41 ` Claudio Imbrenda
2025-11-24 13:01 ` Janosch Frank
2025-11-24 11:55 ` [PATCH v5 09/23] KVM: s390: KVM page table management functions: clear and replace Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 10/23] KVM: s390: KVM page table management functions: walks Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 11/23] KVM: s390: KVM page table management functions: storage keys Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 12/23] KVM: s390: KVM page table management functions: lifecycle management Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 13/23] KVM: s390: KVM page table management functions: CMMA Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 14/23] KVM: s390: New gmap code Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 15/23] KVM: s390: Add helper functions for fault handling Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 16/23] KVM: s390: Add some helper functions needed for vSIE Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 17/23] KVM: s390: Stop using CONFIG_PGSTE Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 18/23] KVM: s390: Storage key functions refactoring Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 19/23] KVM: s390: Switch to new gmap Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 20/23] KVM: s390: Remove gmap from s390/mm Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 21/23] KVM: S390: Remove PGSTE code from linux/s390 mm Claudio Imbrenda
2025-11-25 19:24 ` Heiko Carstens
2025-11-26 8:38 ` Heiko Carstens
2025-11-26 8:47 ` Claudio Imbrenda
2025-11-24 11:55 ` [PATCH v5 22/23] KVM: s390: Enable 1M pages for gmap Claudio Imbrenda
2025-11-24 17:35 ` Christian Borntraeger [this message]
2025-11-24 11:55 ` [PATCH v5 23/23] KVM: s390: Storage key manipulation IOCTL Claudio Imbrenda
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