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Thu, 28 Mar 2024 04:56:55 +0000 (GMT) Received: from socotra.ibm.com (unknown [9.66.88.97]) (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 7C49760429; Thu, 28 Mar 2024 15:56:50 +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 v11 05/11] Revert "mm/page_table_check: remove unused parameter in [__]page_table_check_pmd_clear" Date: Thu, 28 Mar 2024 15:55:25 +1100 Message-ID: <20240328045535.194800-8-rmclure@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240328045535.194800-3-rmclure@linux.ibm.com> References: <20240328045535.194800-3-rmclure@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: l_TYlGBAizY8qd4jQ3qAEWGlP1Lv1m6t X-Proofpoint-ORIG-GUID: l_TYlGBAizY8qd4jQ3qAEWGlP1Lv1m6t 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=2024-03-28_04,2024-03-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 impostorscore=0 mlxscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403210000 definitions=main-2403280028 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240327_215712_833349_58B0410D X-CRM114-Status: GOOD ( 19.29 ) 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 1831414cd729a34af937d56ad684a66599de6344. 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. 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 +++++++---- include/linux/pgtable.h | 2 +- mm/page_table_check.c | 5 +++-- 6 files changed, 14 insertions(+), 10 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index b3938f80a1b6..d20afcfae530 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1188,7 +1188,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(xchg_relaxed(&pmd_val(*pmdp), 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index a153d3d143d2..0066626159a5 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -767,7 +767,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(atomic_long_xchg((atomic_long_t *)pmdp, 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index e35b2b4f5ea1..9876e6d92799 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1345,7 +1345,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long { pmd_t pmd = native_pmdp_get_and_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, addr, pmd); return pmd; } diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h index d01a00ffc1f9..0a6ebfa46a31 100644 --- a/include/linux/page_table_check.h +++ b/include/linux/page_table_check.h @@ -15,7 +15,8 @@ extern struct page_ext_operations page_table_check_ops; void __page_table_check_zero(struct page *page, unsigned int order); void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd); +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd); void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr, pud_t pud); void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, @@ -52,12 +53,13 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) __page_table_check_pte_clear(mm, pte); } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_pmd_clear(mm, pmd); + __page_table_check_pmd_clear(mm, addr, pmd); } static inline void page_table_check_pud_clear(struct mm_struct *mm, @@ -123,7 +125,8 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) { } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 6a5c44c2208e..d17fbca4da7b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -557,7 +557,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, pmd_t pmd = *pmdp; pmd_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/mm/page_table_check.c b/mm/page_table_check.c index a8c8fd7f06f8..7afaad9c6e6f 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -160,7 +160,8 @@ void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) } EXPORT_SYMBOL(__page_table_check_pte_clear); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd) { if (&init_mm == mm) return; @@ -204,7 +205,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr, if (&init_mm == mm) return; - __page_table_check_pmd_clear(mm, *pmdp); + __page_table_check_pmd_clear(mm, addr, *pmdp); if (pmd_user_accessible_page(pmd)) { page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT, pmd_write(pmd)); -- 2.44.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4276CD1280 for ; 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Thu, 28 Mar 2024 04:56:55 +0000 (GMT) Received: from socotra.ibm.com (unknown [9.66.88.97]) (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 7C49760429; Thu, 28 Mar 2024 15:56:50 +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 v11 05/11] Revert "mm/page_table_check: remove unused parameter in [__]page_table_check_pmd_clear" Date: Thu, 28 Mar 2024 15:55:25 +1100 Message-ID: <20240328045535.194800-8-rmclure@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240328045535.194800-3-rmclure@linux.ibm.com> References: <20240328045535.194800-3-rmclure@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: l_TYlGBAizY8qd4jQ3qAEWGlP1Lv1m6t X-Proofpoint-ORIG-GUID: l_TYlGBAizY8qd4jQ3qAEWGlP1Lv1m6t 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=2024-03-28_04,2024-03-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 impostorscore=0 mlxscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403210000 definitions=main-2403280028 X-Rspamd-Queue-Id: 58DF340010 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: d6wqjktyoshdazkhtcmxb1n4tza5px7f X-HE-Tag: 1711601830-631843 X-HE-Meta: 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 jl4JFJ3o ldzWeysfLksqqnUByDW8I9lTfPp/0FRGquSC7Fai3iEk3Lc4mI1bj5gmanT/GyqyaB2hgmvz6x1DRZq7SWYK5usGODE8T5LzDyNvwdHFT1O8QNYBIwUOf0nJup0FhS/bdlkeTyEashbjsaJ3WqxqEPB1W2Wbflp33oe963FK5jTD7MDG1iYWRQPsveupmlKmWTken5iAUNwcDryHFDCB6zD8eGyKt7BxpSGfjmspjRZ99+F8a4WVzjiq95LDKwmwzvTURpkR78jSlsmo= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: This reverts commit 1831414cd729a34af937d56ad684a66599de6344. 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. 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 +++++++---- include/linux/pgtable.h | 2 +- mm/page_table_check.c | 5 +++-- 6 files changed, 14 insertions(+), 10 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index b3938f80a1b6..d20afcfae530 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1188,7 +1188,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(xchg_relaxed(&pmd_val(*pmdp), 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index a153d3d143d2..0066626159a5 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -767,7 +767,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(atomic_long_xchg((atomic_long_t *)pmdp, 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index e35b2b4f5ea1..9876e6d92799 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1345,7 +1345,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long { pmd_t pmd = native_pmdp_get_and_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, addr, pmd); return pmd; } diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h index d01a00ffc1f9..0a6ebfa46a31 100644 --- a/include/linux/page_table_check.h +++ b/include/linux/page_table_check.h @@ -15,7 +15,8 @@ extern struct page_ext_operations page_table_check_ops; void __page_table_check_zero(struct page *page, unsigned int order); void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd); +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd); void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr, pud_t pud); void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, @@ -52,12 +53,13 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) __page_table_check_pte_clear(mm, pte); } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_pmd_clear(mm, pmd); + __page_table_check_pmd_clear(mm, addr, pmd); } static inline void page_table_check_pud_clear(struct mm_struct *mm, @@ -123,7 +125,8 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) { } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 6a5c44c2208e..d17fbca4da7b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -557,7 +557,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, pmd_t pmd = *pmdp; pmd_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/mm/page_table_check.c b/mm/page_table_check.c index a8c8fd7f06f8..7afaad9c6e6f 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -160,7 +160,8 @@ void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) } EXPORT_SYMBOL(__page_table_check_pte_clear); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd) { if (&init_mm == mm) return; @@ -204,7 +205,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr, if (&init_mm == mm) return; - __page_table_check_pmd_clear(mm, *pmdp); + __page_table_check_pmd_clear(mm, addr, *pmdp); if (pmd_user_accessible_page(pmd)) { page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT, pmd_write(pmd)); -- 2.44.0 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6BB67C54E64 for ; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This reverts commit 1831414cd729a34af937d56ad684a66599de6344. 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. 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 +++++++---- include/linux/pgtable.h | 2 +- mm/page_table_check.c | 5 +++-- 6 files changed, 14 insertions(+), 10 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index b3938f80a1b6..d20afcfae530 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1188,7 +1188,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(xchg_relaxed(&pmd_val(*pmdp), 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index a153d3d143d2..0066626159a5 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -767,7 +767,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(atomic_long_xchg((atomic_long_t *)pmdp, 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index e35b2b4f5ea1..9876e6d92799 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1345,7 +1345,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long { pmd_t pmd = native_pmdp_get_and_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, addr, pmd); return pmd; } diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h index d01a00ffc1f9..0a6ebfa46a31 100644 --- a/include/linux/page_table_check.h +++ b/include/linux/page_table_check.h @@ -15,7 +15,8 @@ extern struct page_ext_operations page_table_check_ops; void __page_table_check_zero(struct page *page, unsigned int order); void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd); +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd); void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr, pud_t pud); void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, @@ -52,12 +53,13 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) __page_table_check_pte_clear(mm, pte); } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_pmd_clear(mm, pmd); + __page_table_check_pmd_clear(mm, addr, pmd); } static inline void page_table_check_pud_clear(struct mm_struct *mm, @@ -123,7 +125,8 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) { } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 6a5c44c2208e..d17fbca4da7b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -557,7 +557,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, pmd_t pmd = *pmdp; pmd_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/mm/page_table_check.c b/mm/page_table_check.c index a8c8fd7f06f8..7afaad9c6e6f 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -160,7 +160,8 @@ void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) } EXPORT_SYMBOL(__page_table_check_pte_clear); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd) { if (&init_mm == mm) return; @@ -204,7 +205,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr, if (&init_mm == mm) return; - __page_table_check_pmd_clear(mm, *pmdp); + __page_table_check_pmd_clear(mm, addr, *pmdp); if (pmd_user_accessible_page(pmd)) { page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT, pmd_write(pmd)); -- 2.44.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6B0F3C54E67 for ; 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Thu, 28 Mar 2024 04:56:55 +0000 (GMT) Received: from socotra.ibm.com (unknown [9.66.88.97]) (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 7C49760429; Thu, 28 Mar 2024 15:56:50 +1100 (AEDT) From: Rohan McLure To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH v11 05/11] Revert "mm/page_table_check: remove unused parameter in [__]page_table_check_pmd_clear" Date: Thu, 28 Mar 2024 15:55:25 +1100 Message-ID: <20240328045535.194800-8-rmclure@linux.ibm.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240328045535.194800-3-rmclure@linux.ibm.com> References: <20240328045535.194800-3-rmclure@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: l_TYlGBAizY8qd4jQ3qAEWGlP1Lv1m6t X-Proofpoint-ORIG-GUID: l_TYlGBAizY8qd4jQ3qAEWGlP1Lv1m6t 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=2024-03-28_04,2024-03-27_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 impostorscore=0 mlxscore=0 clxscore=1015 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2403210000 definitions=main-2403280028 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: x86@kernel.org, linux-mm@kvack.org, Rohan McLure , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This reverts commit 1831414cd729a34af937d56ad684a66599de6344. 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. 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 +++++++---- include/linux/pgtable.h | 2 +- mm/page_table_check.c | 5 +++-- 6 files changed, 14 insertions(+), 10 deletions(-) diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index b3938f80a1b6..d20afcfae530 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -1188,7 +1188,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(xchg_relaxed(&pmd_val(*pmdp), 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index a153d3d143d2..0066626159a5 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -767,7 +767,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, { pmd_t pmd = __pmd(atomic_long_xchg((atomic_long_t *)pmdp, 0)); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index e35b2b4f5ea1..9876e6d92799 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -1345,7 +1345,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long { pmd_t pmd = native_pmdp_get_and_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, addr, pmd); return pmd; } diff --git a/include/linux/page_table_check.h b/include/linux/page_table_check.h index d01a00ffc1f9..0a6ebfa46a31 100644 --- a/include/linux/page_table_check.h +++ b/include/linux/page_table_check.h @@ -15,7 +15,8 @@ extern struct page_ext_operations page_table_check_ops; void __page_table_check_zero(struct page *page, unsigned int order); void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd); +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd); void __page_table_check_pud_clear(struct mm_struct *mm, unsigned long addr, pud_t pud); void __page_table_check_ptes_set(struct mm_struct *mm, unsigned long addr, @@ -52,12 +53,13 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) __page_table_check_pte_clear(mm, pte); } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { if (static_branch_likely(&page_table_check_disabled)) return; - __page_table_check_pmd_clear(mm, pmd); + __page_table_check_pmd_clear(mm, addr, pmd); } static inline void page_table_check_pud_clear(struct mm_struct *mm, @@ -123,7 +125,8 @@ static inline void page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) { } -static inline void page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +static inline void page_table_check_pmd_clear(struct mm_struct *mm, + unsigned long addr, pmd_t pmd) { } diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index 6a5c44c2208e..d17fbca4da7b 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -557,7 +557,7 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, pmd_t pmd = *pmdp; pmd_clear(pmdp); - page_table_check_pmd_clear(mm, pmd); + page_table_check_pmd_clear(mm, address, pmd); return pmd; } diff --git a/mm/page_table_check.c b/mm/page_table_check.c index a8c8fd7f06f8..7afaad9c6e6f 100644 --- a/mm/page_table_check.c +++ b/mm/page_table_check.c @@ -160,7 +160,8 @@ void __page_table_check_pte_clear(struct mm_struct *mm, pte_t pte) } EXPORT_SYMBOL(__page_table_check_pte_clear); -void __page_table_check_pmd_clear(struct mm_struct *mm, pmd_t pmd) +void __page_table_check_pmd_clear(struct mm_struct *mm, unsigned long addr, + pmd_t pmd) { if (&init_mm == mm) return; @@ -204,7 +205,7 @@ void __page_table_check_pmd_set(struct mm_struct *mm, unsigned long addr, if (&init_mm == mm) return; - __page_table_check_pmd_clear(mm, *pmdp); + __page_table_check_pmd_clear(mm, addr, *pmdp); if (pmd_user_accessible_page(pmd)) { page_table_check_set(pmd_pfn(pmd), PMD_SIZE >> PAGE_SHIFT, pmd_write(pmd)); -- 2.44.0