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Wed, 4 Feb 2026 15:03:06 +0000 (GMT) From: Claudio Imbrenda To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, borntraeger@de.ibm.com, 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@kernel.org, gerald.schaefer@linux.ibm.com Subject: [PATCH v7 22/29] KVM: s390: Stop using CONFIG_PGSTE Date: Wed, 4 Feb 2026 16:02:51 +0100 Message-ID: <20260204150259.60425-23-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260204150259.60425-1-imbrenda@linux.ibm.com> References: <20260204150259.60425-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=UdxciaSN c=1 sm=1 tr=0 ts=69835faf cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=WeuG7GAIFJ3A7Xv3FmEA:9 X-Proofpoint-GUID: zrOETy3f5hFM0-09MtlXRYtyhsQDNnBT X-Proofpoint-ORIG-GUID: zrOETy3f5hFM0-09MtlXRYtyhsQDNnBT X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA0MDExMyBTYWx0ZWRfX38vcIVH+78xl u+DDYpwfJdT51IsfhEagUYvNBdJjwznre+CLd23Li9JGL7wmAynt5BdfoILYlwrtwnS1cClrwQA 5xIffXxpO/DsTd6Xliz6Dvmyf0xVAVpKH3KxfSayokWa6vKfVaF8kUXkZ13vhe2YDzBUK85VY2k Th/bmp7b7QrEMIPIoErRY7JhlbR0l0RSlzDL7bOXX7SjhlDHlKXD94wwcPJE346sNfo0cyHGcgP upe89uSXYMMft25QIT4msaL1XZP8MvrLIih8WV2fJmMB/pWhoYFv9UYd3lrOJqWqiYNuhdbgcdQ ArSNRKosFnxCcqelWXWEG1XKdU99qAbwyiUcUXFJbLkYg+WRxoCHxCbijg7MsrP6LVGT4ysEboA nCHAStyHBmHO3wtpNT4psBQ8aLNFeqttzS3J7tyqfNUMFRDN8mNi02HDJlP1y1PihCSebdzjQu+ WgHBOd1PedVNwQyGgTg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-04_04,2026-02-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 bulkscore=0 spamscore=0 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2601150000 definitions=main-2602040113 Content-Type: text/plain; charset="utf-8" Switch to using IS_ENABLED(CONFIG_KVM) instead of CONFIG_PGSTE, since the latter will be removed soon. Many CONFIG_PGSTE are left behind, because they will be removed completely in upcoming patches. The ones replaced here are mostly the ones that will stay. Signed-off-by: Claudio Imbrenda Reviewed-by: Steffen Eiden --- arch/s390/include/asm/mmu_context.h | 2 +- arch/s390/include/asm/pgtable.h | 4 ++-- arch/s390/mm/fault.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mm= u_context.h index d9b8501bc93d..48e548c01daa 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -29,7 +29,7 @@ static inline int init_new_context(struct task_struct *ts= k, atomic_set(&mm->context.protected_count, 0); mm->context.gmap_asce =3D 0; mm->context.flush_mm =3D 0; -#ifdef CONFIG_PGSTE +#if IS_ENABLED(CONFIG_KVM) mm->context.has_pgste =3D 0; mm->context.uses_skeys =3D 0; mm->context.uses_cmm =3D 0; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtabl= e.h index 04335f5e7f47..cd4d135c4503 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -577,7 +577,7 @@ static inline int mm_has_pgste(struct mm_struct *mm) =20 static inline int mm_is_protected(struct mm_struct *mm) { -#ifdef CONFIG_PGSTE +#if IS_ENABLED(CONFIG_KVM) if (unlikely(atomic_read(&mm->context.protected_count))) return 1; #endif @@ -632,7 +632,7 @@ static inline pud_t set_pud_bit(pud_t pud, pgprot_t pro= t) #define mm_forbids_zeropage mm_forbids_zeropage static inline int mm_forbids_zeropage(struct mm_struct *mm) { -#ifdef CONFIG_PGSTE +#if IS_ENABLED(CONFIG_KVM) if (!mm->context.allow_cow_sharing) return 1; #endif diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index e2e13778c36a..a52aa7a99b6b 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -403,7 +403,7 @@ void do_dat_exception(struct pt_regs *regs) } NOKPROBE_SYMBOL(do_dat_exception); =20 -#if IS_ENABLED(CONFIG_PGSTE) +#if IS_ENABLED(CONFIG_KVM) =20 void do_secure_storage_access(struct pt_regs *regs) { @@ -470,4 +470,4 @@ void do_secure_storage_access(struct pt_regs *regs) } NOKPROBE_SYMBOL(do_secure_storage_access); =20 -#endif /* CONFIG_PGSTE */ +#endif /* CONFIG_KVM */ --=20 2.52.0