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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: mpe@ellerman.id.au, linuxppc-dev@lists.ozlabs.org,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Subject: [PATCH 11/16] debug_vm_pgtable/locks: Move non page table modifying test together
Date: Wed, 12 Aug 2020 12:03:53 +0530	[thread overview]
Message-ID: <20200812063358.369514-11-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200812063358.369514-1-aneesh.kumar@linux.ibm.com>

This will help in adding proper locks in a later patch

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 mm/debug_vm_pgtable.c | 53 +++++++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 24 deletions(-)

diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index 48475d288df1..90e9c2d3a092 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -979,7 +979,7 @@ static int __init debug_vm_pgtable(void)
 	p4dp = p4d_alloc(mm, pgdp, vaddr);
 	pudp = pud_alloc(mm, p4dp, vaddr);
 	pmdp = pmd_alloc(mm, pudp, vaddr);
-	ptep = pte_alloc_map_lock(mm, pmdp, vaddr, &ptl);
+	ptep = pte_alloc_map(mm, pmdp, vaddr);
 
 	/*
 	 * Save all the page table page addresses as the page table
@@ -999,35 +999,13 @@ static int __init debug_vm_pgtable(void)
 	p4d_basic_tests(p4d_aligned, prot);
 	pgd_basic_tests(pgd_aligned, prot);
 
-	pte_clear_tests(mm, ptep, vaddr);
-	pmd_clear_tests(mm, pmdp);
-	pud_clear_tests(mm, pudp);
-	p4d_clear_tests(mm, p4dp);
-	pgd_clear_tests(mm, pgdp);
-
-	pte_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
-	pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot, saved_ptep);
-	pud_advanced_tests(mm, vma, pudp, pud_aligned, vaddr, prot);
-	hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
-
 	pmd_leaf_tests(pmd_aligned, prot);
 	pud_leaf_tests(pud_aligned, prot);
 
-	pmd_huge_tests(pmdp, pmd_aligned, prot);
-	pud_huge_tests(pudp, pud_aligned, prot);
-
 #ifdef CONFIG_NUMA_BALANCING
 	pte_savedwrite_tests(pte_aligned, prot);
 	pmd_savedwrite_tests(pmd_aligned, prot);
 #endif
-
-	pte_unmap_unlock(ptep, ptl);
-
-	pmd_populate_tests(mm, pmdp, saved_ptep);
-	pud_populate_tests(mm, pudp, saved_pmdp);
-	p4d_populate_tests(mm, p4dp, saved_pudp);
-	pgd_populate_tests(mm, pgdp, saved_p4dp);
-
 	pte_special_tests(pte_aligned, prot);
 	pte_protnone_tests(pte_aligned, protnone);
 	pmd_protnone_tests(pmd_aligned, protnone);
@@ -1045,11 +1023,38 @@ static int __init debug_vm_pgtable(void)
 	pmd_swap_tests(pmd_aligned, prot);
 
 	swap_migration_tests();
-	hugetlb_basic_tests(pte_aligned, prot);
 
 	pmd_thp_tests(pmd_aligned, prot);
 	pud_thp_tests(pud_aligned, prot);
 
+	/*
+	 * Page table modifying tests
+	 */
+	pte_clear_tests(mm, ptep, vaddr);
+	pmd_clear_tests(mm, pmdp);
+	pud_clear_tests(mm, pudp);
+	p4d_clear_tests(mm, p4dp);
+	pgd_clear_tests(mm, pgdp);
+
+	ptep = pte_alloc_map_lock(mm, pmdp, vaddr, &ptl);
+	pte_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
+	pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot, saved_ptep);
+	pud_advanced_tests(mm, vma, pudp, pud_aligned, vaddr, prot);
+	hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
+
+
+	pmd_huge_tests(pmdp, pmd_aligned, prot);
+	pud_huge_tests(pudp, pud_aligned, prot);
+
+	pte_unmap_unlock(ptep, ptl);
+
+	pmd_populate_tests(mm, pmdp, saved_ptep);
+	pud_populate_tests(mm, pudp, saved_pmdp);
+	p4d_populate_tests(mm, p4dp, saved_pudp);
+	pgd_populate_tests(mm, pgdp, saved_p4dp);
+
+	hugetlb_basic_tests(pte_aligned, prot);
+
 	p4d_free(mm, saved_p4dp);
 	pud_free(mm, saved_pudp);
 	pmd_free(mm, saved_pmdp);
-- 
2.26.2



WARNING: multiple messages have this Message-ID (diff)
From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: linux-mm@kvack.org, akpm@linux-foundation.org
Cc: linuxppc-dev@lists.ozlabs.org,
	"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>
Subject: [PATCH 11/16] debug_vm_pgtable/locks: Move non page table modifying test together
Date: Wed, 12 Aug 2020 12:03:53 +0530	[thread overview]
Message-ID: <20200812063358.369514-11-aneesh.kumar@linux.ibm.com> (raw)
In-Reply-To: <20200812063358.369514-1-aneesh.kumar@linux.ibm.com>

This will help in adding proper locks in a later patch

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
---
 mm/debug_vm_pgtable.c | 53 +++++++++++++++++++++++--------------------
 1 file changed, 29 insertions(+), 24 deletions(-)

diff --git a/mm/debug_vm_pgtable.c b/mm/debug_vm_pgtable.c
index 48475d288df1..90e9c2d3a092 100644
--- a/mm/debug_vm_pgtable.c
+++ b/mm/debug_vm_pgtable.c
@@ -979,7 +979,7 @@ static int __init debug_vm_pgtable(void)
 	p4dp = p4d_alloc(mm, pgdp, vaddr);
 	pudp = pud_alloc(mm, p4dp, vaddr);
 	pmdp = pmd_alloc(mm, pudp, vaddr);
-	ptep = pte_alloc_map_lock(mm, pmdp, vaddr, &ptl);
+	ptep = pte_alloc_map(mm, pmdp, vaddr);
 
 	/*
 	 * Save all the page table page addresses as the page table
@@ -999,35 +999,13 @@ static int __init debug_vm_pgtable(void)
 	p4d_basic_tests(p4d_aligned, prot);
 	pgd_basic_tests(pgd_aligned, prot);
 
-	pte_clear_tests(mm, ptep, vaddr);
-	pmd_clear_tests(mm, pmdp);
-	pud_clear_tests(mm, pudp);
-	p4d_clear_tests(mm, p4dp);
-	pgd_clear_tests(mm, pgdp);
-
-	pte_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
-	pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot, saved_ptep);
-	pud_advanced_tests(mm, vma, pudp, pud_aligned, vaddr, prot);
-	hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
-
 	pmd_leaf_tests(pmd_aligned, prot);
 	pud_leaf_tests(pud_aligned, prot);
 
-	pmd_huge_tests(pmdp, pmd_aligned, prot);
-	pud_huge_tests(pudp, pud_aligned, prot);
-
 #ifdef CONFIG_NUMA_BALANCING
 	pte_savedwrite_tests(pte_aligned, prot);
 	pmd_savedwrite_tests(pmd_aligned, prot);
 #endif
-
-	pte_unmap_unlock(ptep, ptl);
-
-	pmd_populate_tests(mm, pmdp, saved_ptep);
-	pud_populate_tests(mm, pudp, saved_pmdp);
-	p4d_populate_tests(mm, p4dp, saved_pudp);
-	pgd_populate_tests(mm, pgdp, saved_p4dp);
-
 	pte_special_tests(pte_aligned, prot);
 	pte_protnone_tests(pte_aligned, protnone);
 	pmd_protnone_tests(pmd_aligned, protnone);
@@ -1045,11 +1023,38 @@ static int __init debug_vm_pgtable(void)
 	pmd_swap_tests(pmd_aligned, prot);
 
 	swap_migration_tests();
-	hugetlb_basic_tests(pte_aligned, prot);
 
 	pmd_thp_tests(pmd_aligned, prot);
 	pud_thp_tests(pud_aligned, prot);
 
+	/*
+	 * Page table modifying tests
+	 */
+	pte_clear_tests(mm, ptep, vaddr);
+	pmd_clear_tests(mm, pmdp);
+	pud_clear_tests(mm, pudp);
+	p4d_clear_tests(mm, p4dp);
+	pgd_clear_tests(mm, pgdp);
+
+	ptep = pte_alloc_map_lock(mm, pmdp, vaddr, &ptl);
+	pte_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
+	pmd_advanced_tests(mm, vma, pmdp, pmd_aligned, vaddr, prot, saved_ptep);
+	pud_advanced_tests(mm, vma, pudp, pud_aligned, vaddr, prot);
+	hugetlb_advanced_tests(mm, vma, ptep, pte_aligned, vaddr, prot);
+
+
+	pmd_huge_tests(pmdp, pmd_aligned, prot);
+	pud_huge_tests(pudp, pud_aligned, prot);
+
+	pte_unmap_unlock(ptep, ptl);
+
+	pmd_populate_tests(mm, pmdp, saved_ptep);
+	pud_populate_tests(mm, pudp, saved_pmdp);
+	p4d_populate_tests(mm, p4dp, saved_pudp);
+	pgd_populate_tests(mm, pgdp, saved_p4dp);
+
+	hugetlb_basic_tests(pte_aligned, prot);
+
 	p4d_free(mm, saved_p4dp);
 	pud_free(mm, saved_pudp);
 	pmd_free(mm, saved_pmdp);
-- 
2.26.2


  parent reply	other threads:[~2020-08-12  6:34 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-12  6:33 [PATCH 01/16] powerpc/mm: Add DEBUG_VM WARN for pmd_clear Aneesh Kumar K.V
2020-08-12  6:33 ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 02/16] debug_vm_pgtable/ppc64: Avoid setting top bits in radom value Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12  6:40   ` Christophe Leroy
2020-08-12  6:43     ` Aneesh Kumar K.V
2020-08-12  8:12   ` Anshuman Khandual
2020-08-12  8:12     ` Anshuman Khandual
2020-08-12  8:25     ` Aneesh Kumar K.V
2020-08-12  8:25       ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 03/16] debug_vm_pgtable/set_pte: Don't use set_pte_at to update an existing pte entry Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12  9:12   ` Anshuman Khandual
2020-08-12  9:12     ` Anshuman Khandual
2020-08-12  9:22     ` Aneesh Kumar K.V
2020-08-12  9:22       ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 04/16] debug_vm_pgtables/hugevmap: Use the arch helper to identify huge vmap support Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 10:30   ` Anshuman Khandual
2020-08-12 10:30     ` Anshuman Khandual
2020-08-12  6:33 ` [PATCH 05/16] debug_vm_pgtable/savedwrite: Enable savedwrite test with CONFIG_NUMA_BALANCING Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 11:24   ` Anshuman Khandual
2020-08-12 11:24     ` Anshuman Khandual
2020-08-12  6:33 ` [PATCH 06/16] debug_vm_pgtable/THP: Mark the pte entry huge before using set_pmd_at Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 07/16] debug_vm_pgtable/THP: Mark the pte entry huge before using set_pud_at Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 11:49   ` Anshuman Khandual
2020-08-12 11:49     ` Anshuman Khandual
2020-08-12  6:33 ` [PATCH 08/16] debug_vm_pgtable/set_pmd: Don't use set_pmd_at to update an existing pmd entry Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 12:46   ` Anshuman Khandual
2020-08-12 12:46     ` Anshuman Khandual
2020-08-12  6:33 ` [PATCH 09/16] debug_vm_pgtable/set_pud: Don't use set_pud_at to update an existing pud entry Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 12:46   ` Anshuman Khandual
2020-08-12 12:46     ` Anshuman Khandual
2020-08-12  6:33 ` [PATCH 10/16] debug_vm_pgtable/thp: Use page table depost/withdraw with THP Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-13  5:25   ` Anshuman Khandual
2020-08-13  5:25     ` Anshuman Khandual
2020-08-13  6:38     ` Aneesh Kumar K.V
2020-08-13  6:38       ` Aneesh Kumar K.V
2020-08-12  6:33 ` Aneesh Kumar K.V [this message]
2020-08-12  6:33   ` [PATCH 11/16] debug_vm_pgtable/locks: Move non page table modifying test together Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 12/16] debug_vm_pgtable/locks: Take correct page table lock Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 13/16] debug_vm_pgtable/pmd_clear: Don't use pmd/pud_clear on pte entries Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-13  5:27   ` Anshuman Khandual
2020-08-13  5:27     ` Anshuman Khandual
2020-08-13  8:45     ` Aneesh Kumar K.V
2020-08-13  8:45       ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 14/16] debug_vm_pgtable/hugetlb: Disable hugetlb test on ppc64 Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 13:03   ` Anshuman Khandual
2020-08-12 13:03     ` Anshuman Khandual
2020-08-12 13:16     ` Aneesh Kumar K.V
2020-08-12 13:16       ` Aneesh Kumar K.V
2020-08-12 13:34       ` Anshuman Khandual
2020-08-12 13:34         ` Anshuman Khandual
2020-08-12 13:52         ` Aneesh Kumar K.V
2020-08-12 13:52           ` Aneesh Kumar K.V
2020-08-14  8:43           ` Anshuman Khandual
2020-08-14  8:43             ` Anshuman Khandual
2020-08-19  6:54             ` Aneesh Kumar K.V
2020-08-19  6:54               ` Aneesh Kumar K.V
2020-08-12  6:33 ` [PATCH 15/16] debug_vm_pgtable/savedwrite: Use savedwrite test with protnone ptes Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-12 13:06   ` Anshuman Khandual
2020-08-12 13:06     ` Anshuman Khandual
2020-08-12  6:33 ` [PATCH 16/16] debug_vm_pgtable/ppc64: Add a variant of pfn_pte/pmd Aneesh Kumar K.V
2020-08-12  6:33   ` Aneesh Kumar K.V
2020-08-13  5:30   ` Anshuman Khandual
2020-08-13  5:30     ` Anshuman Khandual
2020-08-13  6:37     ` Aneesh Kumar K.V
2020-08-13  6:37       ` Aneesh Kumar K.V
2020-08-14  8:29       ` Anshuman Khandual
2020-08-14  8:29         ` Anshuman Khandual
2020-08-12  7:46 ` [PATCH 01/16] powerpc/mm: Add DEBUG_VM WARN for pmd_clear Anshuman Khandual
2020-08-12  7:46   ` Anshuman Khandual
2020-08-12  8:27   ` Aneesh Kumar K.V
2020-08-12  8:27     ` Aneesh Kumar K.V

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