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Wed, 25 Jun 2025 06:38:09 +0000 (GMT) From: Andrew Donnellan To: linuxppc-dev@lists.ozlabs.org, pasha.tatashin@soleen.com, akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, sweettea-kernel@dorminy.me, christophe.leroy@csgroup.eu, mingo@kernel.org Subject: [PATCH v15 01/13] arm64/mm: Add addr parameter to __set_{ptes_anysz,ptes,pmds,puds}() Date: Wed, 25 Jun 2025 16:37:41 +1000 Message-ID: <20250625063753.77511-2-ajd@linux.ibm.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250625063753.77511-1-ajd@linux.ibm.com> References: <20250625063753.77511-1-ajd@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-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI1MDA0NSBTYWx0ZWRfX6kpCkDAwiIiz UcdM+FD9t/G8vRe0+qUln6egM0tQ0J8i3U9MYppN5UbiJVuI/nW9pFNVxeSZjM8sN12khSBe2eK H6LKojQzcrqCs4E6NpJmvQOh5Hk2qaC2uka7OuEmYMxuFJdow+hibBeF2aJtojgiFCq99PZ4kIZ gV5zC2rvTPub6tYqs1WfeK5M991h8lNafWeEhmxUHkrd5/sGq03jTKL5QGqwjD1OShYvC0+u+nT eHAfVQz7Jkey2NhYS1geXx+WknnUmJy6nCklsavyKGrIT+mNaY9kIPpHiwzfSkJ4ivRrVzz5dKY +bawjdCGUqmO6NPmIDk3eHbpT44I0EU0VIlHM7xjLICmGYU1OMOkSjIfYkz1IXbNIQhqRvqN0DY lXeJ++3PXG8vdzuFLYYPX+fJGmEgwzKlTl8p3+MZnWO3czjH/fljblh8i5Ve+gNuBOq7/FAN X-Proofpoint-ORIG-GUID: QX33b91KVV_jTH63ExHqyoYW22D08pZm X-Proofpoint-GUID: QX33b91KVV_jTH63ExHqyoYW22D08pZm X-Authority-Analysis: v=2.4 cv=BfvY0qt2 c=1 sm=1 tr=0 ts=685b9957 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=6IFa9wvqVegA:10 a=VnNF1IyMAAAA:8 a=iO9NmEFvf90wNdx_zysA:9 a=0bXxn9q0MV6snEgNplNhOjQmxlI=:19 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-25_01,2025-06-23_07,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1011 suspectscore=0 adultscore=0 spamscore=0 impostorscore=0 mlxlogscore=627 malwarescore=0 phishscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506250045 Content-Type: text/plain; charset="utf-8" To provide support for page table check on powerpc, we need to reinstate the address parameter in several functions, including page_table_check_{ptes,pmds,puds}_set(). In preparation for this, add the addr parameter to arm64's __set_ptes_anysz= () and its callers, __set_ptes(), __set_pmds() and __set_puds(). While this parameter won't (at present) be used on arm64, this will keep the usage of the page table check interfaces consistent. Signed-off-by: Andrew Donnellan --- v15: new patch --- arch/arm64/include/asm/pgtable.h | 19 ++++++++----------- arch/arm64/mm/hugetlbpage.c | 8 ++++---- 2 files changed, 12 insertions(+), 15 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgta= ble.h index 192d86e1cc76..acbcb5e883ce 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -712,8 +712,8 @@ static inline pgprot_t pud_pgprot(pud_t pud) return __pgprot(pud_val(pfn_pud(pfn, __pgprot(0))) ^ pud_val(pud)); } =20 -static inline void __set_ptes_anysz(struct mm_struct *mm, pte_t *ptep, - pte_t pte, unsigned int nr, +static inline void __set_ptes_anysz(struct mm_struct *mm, unsigned long ad= dr, + pte_t *ptep, pte_t pte, unsigned int nr, unsigned long pgsize) { unsigned long stride =3D pgsize >> PAGE_SHIFT; @@ -748,26 +748,23 @@ static inline void __set_ptes_anysz(struct mm_struct = *mm, pte_t *ptep, __set_pte_complete(pte); } =20 -static inline void __set_ptes(struct mm_struct *mm, - unsigned long __always_unused addr, +static inline void __set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr) { - __set_ptes_anysz(mm, ptep, pte, nr, PAGE_SIZE); + __set_ptes_anysz(mm, addr, ptep, pte, nr, PAGE_SIZE); } =20 -static inline void __set_pmds(struct mm_struct *mm, - unsigned long __always_unused addr, +static inline void __set_pmds(struct mm_struct *mm, unsigned long addr, pmd_t *pmdp, pmd_t pmd, unsigned int nr) { - __set_ptes_anysz(mm, (pte_t *)pmdp, pmd_pte(pmd), nr, PMD_SIZE); + __set_ptes_anysz(mm, addr, (pte_t *)pmdp, pmd_pte(pmd), nr, PMD_SIZE); } #define set_pmd_at(mm, addr, pmdp, pmd) __set_pmds(mm, addr, pmdp, pmd, 1) =20 -static inline void __set_puds(struct mm_struct *mm, - unsigned long __always_unused addr, +static inline void __set_puds(struct mm_struct *mm, unsigned long addr, pud_t *pudp, pud_t pud, unsigned int nr) { - __set_ptes_anysz(mm, (pte_t *)pudp, pud_pte(pud), nr, PUD_SIZE); + __set_ptes_anysz(mm, addr, (pte_t *)pudp, pud_pte(pud), nr, PUD_SIZE); } #define set_pud_at(mm, addr, pudp, pud) __set_puds(mm, addr, pudp, pud, 1) =20 diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 0c8737f4f2ce..1003b5020752 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -226,7 +226,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned lon= g addr, =20 if (!pte_present(pte)) { for (i =3D 0; i < ncontig; i++, ptep++, addr +=3D pgsize) - __set_ptes_anysz(mm, ptep, pte, 1, pgsize); + __set_ptes_anysz(mm, addr, ptep, pte, 1, pgsize); return; } =20 @@ -234,7 +234,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned lon= g addr, if (pte_cont(pte) && pte_valid(__ptep_get(ptep))) clear_flush(mm, addr, ptep, pgsize, ncontig); =20 - __set_ptes_anysz(mm, ptep, pte, ncontig, pgsize); + __set_ptes_anysz(mm, addr, ptep, pte, ncontig, pgsize); } =20 pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, @@ -449,7 +449,7 @@ int huge_ptep_set_access_flags(struct vm_area_struct *v= ma, if (pte_young(orig_pte)) pte =3D pte_mkyoung(pte); =20 - __set_ptes_anysz(mm, ptep, pte, ncontig, pgsize); + __set_ptes_anysz(mm, addr, ptep, pte, ncontig, pgsize); return 1; } =20 @@ -473,7 +473,7 @@ void huge_ptep_set_wrprotect(struct mm_struct *mm, pte =3D get_clear_contig_flush(mm, addr, ptep, pgsize, ncontig); pte =3D pte_wrprotect(pte); =20 - __set_ptes_anysz(mm, ptep, pte, ncontig, pgsize); + __set_ptes_anysz(mm, addr, ptep, pte, ncontig, pgsize); } =20 pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, --=20 2.49.0