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Wed, 13 Mar 2024 04:21:28 +0000 (GMT) Received: from socotra.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id F284160366; Wed, 13 Mar 2024 15:21:25 +1100 (AEDT) From: Rohan McLure To: linuxppc-dev@lists.ozlabs.org Cc: Rohan McLure , mpe@ellerman.id.au, christophe.leroy@csgroup.eu, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, x86@kernel.org Subject: [PATCH v10 01/12] Revert "mm/page_table_check: remove unused parameter in [__]page_table_check_pud_set" Date: Wed, 13 Mar 2024 15:21:06 +1100 Message-ID: <20240313042118.230397-2-rmclure@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240313042118.230397-1-rmclure@linux.ibm.com> References: <20240313042118.230397-1-rmclure@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: HAb4b7Hi4qTULx6MeBIwcyoCRRhaSd-x X-Proofpoint-ORIG-GUID: HAb4b7Hi4qTULx6MeBIwcyoCRRhaSd-x X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-13_04,2024-03-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 phishscore=0 clxscore=1015 suspectscore=0 spamscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=999 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2403130030 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240312_212150_963906_4338A343 X-CRM114-Status: GOOD ( 19.84 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org This reverts commit 6d144436d954311f2dbacb5bf7b084042448d83e. Reinstate previously unused parameters for the purpose of supporting powerpc platforms, as many do not encode user/kernel ownership of the page in the pte, but instead in the address of the access. riscv: Respect change to delete mm, addr parameters from __set_pte_at() This commit also changed calls to __set_pte_at() to use fewer parameters on riscv. Keep that change rather than reverting it, as the signature of __set_pte_at() is changed in a different commit. Signed-off-by: Rohan McLure --- arch/arm64/include/asm/pgtable.h | 2 +- arch/riscv/include/asm/pgtable.h | 2 +- arch/x86/include/asm/pgtable.h | 2 +- include/linux/page_table_check.h | 11 +++++++---- mm/page_table_check.c | 3 ++- 5 files changed, 12 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 79ce70fbb751..a965b59401b3 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -548,7 +548,7 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, static inline void set_pud_at(struct mm_struct *mm, unsigned long addr, pud_t *pudp, pud_t pud) { - page_table_check_pud_set(mm, pudp, pud); + page_table_check_pud_set(mm, addr, pudp, pud); return __set_pte_at(mm, addr, (pte_t *)pudp, pud_pte(pud), PUD_SIZE >> PAGE_SHIFT); } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 6066822e7396..4fc99dd3bb42 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -717,7 +717,7 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, static inline void set_pud_at(struct mm_struct *mm, unsigned long addr, pud_t *pudp, pud_t pud) { - page_table_check_pud_set(mm, pudp, pud); + page_table_check_pud_set(mm, addr, pudp, pud); return __set_pte_at((pte_t *)pudp, pud_pte(pud)); } diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 9d077bca6a10..a9b1e8e6d4b9 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1252,7 +1252,7 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, static inline void set_pud_at(struct mm_struct *mm, unsigned long addr, pud_t *pudp, pud_t pud) { - page_table_check_pud_set(mm, pudp, pud); + page_table_check_pud_set(mm, addr, pudp, pud); native_set_pud(pudp, pud); } diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h index 6722941c7cb8..d188428512f5 100644 --- a/include/linux/page_table_check.h +++ b/include/linux/page_table_check.h @@ -20,7 +20,8 @@ void __page_table_check_pud_clear(struct mm_struct *mm, pud_t pud); void __page_table_check_ptes_set(struct mm_struct *mm, pte_t *ptep, pte_t pte, unsigned int nr); void __page_table_check_pmd_set(struct mm_struct *mm, pmd_t *pmdp, pmd_t pmd); -void __page_table_check_pud_set(struct mm_struct *mm, pud_t *pudp, pud_t pud); +void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr, + pud_t *pudp, pud_t pud); void __page_table_check_pte_clear_range(struct mm_struct *mm, unsigned long addr, pmd_t pmd); @@ -83,13 +84,14 @@ static inline void page_table_check_pmd_set(struct mm_struct *mm, pmd_t *pmdp, __page_table_check_pmd_set(mm, pmdp, pmd); } -static inline void page_table_check_pud_set(struct mm_struct *mm, pud_t *pudp, +static inline void page_table_check_pud_set(struct mm_struct *mm, + unsigned long addr, pud_t *pudp, pud_t pud) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_pud_set(mm, pudp, pud); + __page_table_check_pud_set(mm, addr, pudp, pud); } static inline void page_table_check_pte_clear_range(struct mm_struct *mm, @@ -134,7 +136,8 @@ static inline void page_table_check_pmd_set(struct mm_struct *mm, pmd_t *pmdp, { } -static inline void page_table_check_pud_set(struct mm_struct *mm, pud_t *pudp, +static inline void page_table_check_pud_set(struct mm_struct *mm, + unsigned long addr, pud_t *pudp, pud_t pud) { } diff --git a/mm/page_table_check.c b/mm/page_table_check.c index af69c3c8f7c2..75167537ebd7 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -210,7 +210,8 @@ void __page_table_check_pmd_set(struct mm_struct *mm, pmd_t *pmdp, pmd_t pmd) } EXPORT_SYMBOL(__page_table_check_pmd_set); -void __page_table_check_pud_set(struct mm_struct *mm, pud_t *pudp, pud_t pud) +void __page_table_check_pud_set(struct mm_struct *mm, unsigned long addr, + pud_t *pudp, pud_t pud) { if (&init_mm == mm) return; -- 2.44.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv