From: Steven Price <steven.price@arm.com> To: linux-mm@kvack.org Cc: "Steven Price" <steven.price@arm.com>, "Andy Lutomirski" <luto@kernel.org>, "Ard Biesheuvel" <ard.biesheuvel@linaro.org>, "Arnd Bergmann" <arnd@arndb.de>, "Borislav Petkov" <bp@alien8.de>, "Catalin Marinas" <catalin.marinas@arm.com>, "Dave Hansen" <dave.hansen@linux.intel.com>, "Ingo Molnar" <mingo@redhat.com>, "James Morse" <james.morse@arm.com>, "Jérôme Glisse" <jglisse@redhat.com>, "Peter Zijlstra" <peterz@infradead.org>, "Thomas Gleixner" <tglx@linutronix.de>, "Will Deacon" <will.deacon@arm.com>, x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, "Mark Rutland" <Mark.Rutland@arm.com>, "Liang, Kan" <kan.liang@linux.intel.com> Subject: [PATCH v3 31/34] x86/mm+efi: Convert ptdump_walk_pgd_level() to take a mm_struct Date: Wed, 27 Feb 2019 17:06:05 +0000 [thread overview] Message-ID: <20190227170608.27963-32-steven.price@arm.com> (raw) In-Reply-To: <20190227170608.27963-1-steven.price@arm.com> To enable x86 to use the generic walk_page_range() function, the callers of ptdump_walk_pgd_level() need to pass an mm_struct rather than the raw pgd_t pointer. Luckily since commit 7e904a91bf60 ("efi: Use efi_mm in x86 as well as ARM") we now have an mm_struct for EFI on x86. Signed-off-by: Steven Price <steven.price@arm.com> --- arch/x86/include/asm/pgtable.h | 2 +- arch/x86/mm/dump_pagetables.c | 4 ++-- arch/x86/platform/efi/efi_32.c | 2 +- arch/x86/platform/efi/efi_64.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 1b854c64cc7d..def035fa230e 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -27,7 +27,7 @@ extern pgd_t early_top_pgt[PTRS_PER_PGD]; int __init __early_make_pgtable(unsigned long address, pmdval_t pmd); -void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd); +void ptdump_walk_pgd_level(struct seq_file *m, struct mm_struct *mm); void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user); void ptdump_walk_pgd_level_checkwx(void); void ptdump_walk_user_pgd_level_checkwx(void); diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index ecbaf30a6a2f..3a8cf6699976 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -572,9 +572,9 @@ static void ptdump_walk_pgd_level_core(struct seq_file *m, pgd_t *pgd, pr_info("x86/mm: Checked W+X mappings: passed, no W+X pages found.\n"); } -void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd) +void ptdump_walk_pgd_level(struct seq_file *m, struct mm_struct *mm) { - ptdump_walk_pgd_level_core(m, pgd, false, true); + ptdump_walk_pgd_level_core(m, mm->pgd, false, true); } void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user) diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c index 9959657127f4..9175ceaa6e72 100644 --- a/arch/x86/platform/efi/efi_32.c +++ b/arch/x86/platform/efi/efi_32.c @@ -49,7 +49,7 @@ void efi_sync_low_kernel_mappings(void) {} void __init efi_dump_pagetable(void) { #ifdef CONFIG_EFI_PGT_DUMP - ptdump_walk_pgd_level(NULL, swapper_pg_dir); + ptdump_walk_pgd_level(NULL, init_mm); #endif } diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index cf0347f61b21..a2e0f9800190 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -611,9 +611,9 @@ void __init efi_dump_pagetable(void) { #ifdef CONFIG_EFI_PGT_DUMP if (efi_enabled(EFI_OLD_MEMMAP)) - ptdump_walk_pgd_level(NULL, swapper_pg_dir); + ptdump_walk_pgd_level(NULL, init_mm); else - ptdump_walk_pgd_level(NULL, efi_mm.pgd); + ptdump_walk_pgd_level(NULL, efi_mm); #endif } -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com> To: linux-mm@kvack.org Cc: "Mark Rutland" <Mark.Rutland@arm.com>, x86@kernel.org, "Arnd Bergmann" <arnd@arndb.de>, "Ard Biesheuvel" <ard.biesheuvel@linaro.org>, "Peter Zijlstra" <peterz@infradead.org>, "Catalin Marinas" <catalin.marinas@arm.com>, "Dave Hansen" <dave.hansen@linux.intel.com>, "Will Deacon" <will.deacon@arm.com>, linux-kernel@vger.kernel.org, "Steven Price" <steven.price@arm.com>, "Jérôme Glisse" <jglisse@redhat.com>, "Ingo Molnar" <mingo@redhat.com>, "Borislav Petkov" <bp@alien8.de>, "Andy Lutomirski" <luto@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, "James Morse" <james.morse@arm.com>, "Thomas Gleixner" <tglx@linutronix.de>, linux-arm-kernel@lists.infradead.org, "Liang, Kan" <kan.liang@linux.intel.com> Subject: [PATCH v3 31/34] x86/mm+efi: Convert ptdump_walk_pgd_level() to take a mm_struct Date: Wed, 27 Feb 2019 17:06:05 +0000 [thread overview] Message-ID: <20190227170608.27963-32-steven.price@arm.com> (raw) In-Reply-To: <20190227170608.27963-1-steven.price@arm.com> To enable x86 to use the generic walk_page_range() function, the callers of ptdump_walk_pgd_level() need to pass an mm_struct rather than the raw pgd_t pointer. Luckily since commit 7e904a91bf60 ("efi: Use efi_mm in x86 as well as ARM") we now have an mm_struct for EFI on x86. Signed-off-by: Steven Price <steven.price@arm.com> --- arch/x86/include/asm/pgtable.h | 2 +- arch/x86/mm/dump_pagetables.c | 4 ++-- arch/x86/platform/efi/efi_32.c | 2 +- arch/x86/platform/efi/efi_64.c | 4 ++-- 4 files changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 1b854c64cc7d..def035fa230e 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -27,7 +27,7 @@ extern pgd_t early_top_pgt[PTRS_PER_PGD]; int __init __early_make_pgtable(unsigned long address, pmdval_t pmd); -void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd); +void ptdump_walk_pgd_level(struct seq_file *m, struct mm_struct *mm); void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user); void ptdump_walk_pgd_level_checkwx(void); void ptdump_walk_user_pgd_level_checkwx(void); diff --git a/arch/x86/mm/dump_pagetables.c b/arch/x86/mm/dump_pagetables.c index ecbaf30a6a2f..3a8cf6699976 100644 --- a/arch/x86/mm/dump_pagetables.c +++ b/arch/x86/mm/dump_pagetables.c @@ -572,9 +572,9 @@ static void ptdump_walk_pgd_level_core(struct seq_file *m, pgd_t *pgd, pr_info("x86/mm: Checked W+X mappings: passed, no W+X pages found.\n"); } -void ptdump_walk_pgd_level(struct seq_file *m, pgd_t *pgd) +void ptdump_walk_pgd_level(struct seq_file *m, struct mm_struct *mm) { - ptdump_walk_pgd_level_core(m, pgd, false, true); + ptdump_walk_pgd_level_core(m, mm->pgd, false, true); } void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user) diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c index 9959657127f4..9175ceaa6e72 100644 --- a/arch/x86/platform/efi/efi_32.c +++ b/arch/x86/platform/efi/efi_32.c @@ -49,7 +49,7 @@ void efi_sync_low_kernel_mappings(void) {} void __init efi_dump_pagetable(void) { #ifdef CONFIG_EFI_PGT_DUMP - ptdump_walk_pgd_level(NULL, swapper_pg_dir); + ptdump_walk_pgd_level(NULL, init_mm); #endif } diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index cf0347f61b21..a2e0f9800190 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -611,9 +611,9 @@ void __init efi_dump_pagetable(void) { #ifdef CONFIG_EFI_PGT_DUMP if (efi_enabled(EFI_OLD_MEMMAP)) - ptdump_walk_pgd_level(NULL, swapper_pg_dir); + ptdump_walk_pgd_level(NULL, init_mm); else - ptdump_walk_pgd_level(NULL, efi_mm.pgd); + ptdump_walk_pgd_level(NULL, efi_mm); #endif } -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-02-27 17:08 UTC|newest] Thread overview: 153+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-27 17:05 [PATCH v3 00/34] Convert x86 & arm64 to use generic page walk Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 01/34] alpha: mm: Add p?d_large() definitions Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 02/34] arc: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 18:18 ` Vineet Gupta 2019-02-27 18:18 ` Vineet Gupta 2019-02-27 18:18 ` Vineet Gupta 2019-02-27 18:18 ` Vineet Gupta 2019-02-27 17:05 ` [PATCH v3 03/34] arm: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-03-01 21:47 ` Kirill A. Shutemov 2019-03-01 21:47 ` Kirill A. Shutemov 2019-03-04 11:56 ` Steven Price 2019-03-04 11:56 ` Steven Price 2019-03-04 13:10 ` Kirill A. Shutemov 2019-03-04 13:10 ` Kirill A. Shutemov 2019-02-27 17:05 ` [PATCH v3 04/34] arm64: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 05/34] c6x: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-03-01 21:48 ` Kirill A. Shutemov 2019-03-01 21:48 ` Kirill A. Shutemov 2019-03-04 12:01 ` Steven Price 2019-03-04 12:01 ` Steven Price 2019-03-04 13:11 ` Kirill A. Shutemov 2019-03-04 13:11 ` Kirill A. Shutemov 2019-02-27 17:05 ` [PATCH v3 06/34] csky: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-03-01 21:51 ` Kirill A. Shutemov 2019-03-01 21:51 ` Kirill A. Shutemov 2019-02-27 17:05 ` [PATCH v3 07/34] hexagon: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 08/34] ia64: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-03-01 21:57 ` Kirill A. Shutemov 2019-03-01 21:57 ` Kirill A. Shutemov 2019-03-01 21:57 ` Kirill A. Shutemov 2019-03-04 13:16 ` Steven Price 2019-03-04 13:16 ` Steven Price 2019-03-04 13:16 ` Steven Price 2019-03-04 19:06 ` Luck, Tony 2019-03-04 19:06 ` Luck, Tony 2019-03-04 19:06 ` Luck, Tony 2019-03-06 13:45 ` Steven Price 2019-03-06 13:45 ` Steven Price 2019-03-06 13:45 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 09/34] m68k: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 19:27 ` Geert Uytterhoeven 2019-02-27 19:27 ` Geert Uytterhoeven 2019-02-28 11:36 ` Mike Rapoport 2019-02-28 11:36 ` Mike Rapoport 2019-02-28 11:53 ` Geert Uytterhoeven 2019-02-28 11:53 ` Geert Uytterhoeven 2019-02-28 12:04 ` Steven Price 2019-02-28 12:04 ` Steven Price 2019-03-01 11:45 ` Mike Rapoport 2019-03-01 11:45 ` Mike Rapoport 2019-02-27 17:05 ` [PATCH v3 10/34] microblaze: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 11/34] mips: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-28 2:15 ` Paul Burton 2019-02-28 2:15 ` Paul Burton 2019-02-28 12:11 ` Steven Price 2019-02-28 12:11 ` Steven Price 2019-02-28 18:55 ` Paul Burton 2019-02-28 18:55 ` Paul Burton 2019-03-01 11:02 ` Steven Price 2019-03-01 11:02 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 12/34] nds32: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 13/34] nios2: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 14/34] openrisc: " Steven Price 2019-02-27 17:05 ` [OpenRISC] " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 15/34] parisc: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 18:54 ` Helge Deller 2019-02-27 18:54 ` Helge Deller 2019-03-01 22:12 ` Kirill A. Shutemov 2019-03-01 22:12 ` Kirill A. Shutemov 2019-03-05 21:45 ` Helge Deller 2019-03-05 21:45 ` Helge Deller 2019-02-27 17:05 ` [PATCH v3 16/34] powerpc: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 17/34] riscv: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 18/34] s390: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:40 ` Martin Schwidefsky 2019-02-27 17:40 ` Martin Schwidefsky 2019-02-28 11:43 ` Steven Price 2019-02-28 11:43 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 19/34] sh: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 20/34] sparc: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 18:38 ` David Miller 2019-02-27 18:38 ` David Miller 2019-02-27 18:38 ` David Miller 2019-02-28 11:49 ` Steven Price 2019-02-28 11:49 ` Steven Price 2019-02-28 11:49 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 21/34] um: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 22/34] unicore32: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 23/34] xtensa: " Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:29 ` Max Filippov 2019-02-27 17:29 ` Max Filippov 2019-02-27 17:05 ` [PATCH v3 24/34] mm: Add generic p?d_large() macros Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:05 ` [PATCH v3 25/34] mm: pagewalk: Add p4d_entry() and pgd_entry() Steven Price 2019-02-27 17:05 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 26/34] mm: pagewalk: Allow walking without vma Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 27/34] mm: pagewalk: Add 'depth' parameter to pte_hole Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:38 ` Dave Hansen 2019-02-27 17:38 ` Dave Hansen 2019-02-28 11:28 ` Steven Price 2019-02-28 11:28 ` Steven Price 2019-02-28 19:00 ` Dave Hansen 2019-02-28 19:00 ` Dave Hansen 2019-03-01 11:24 ` Steven Price 2019-03-01 11:24 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 28/34] mm: pagewalk: Add test_p?d callbacks Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 29/34] arm64: mm: Convert mm/dump.c to use walk_page_range() Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 30/34] x86/mm: Point to struct seq_file from struct pg_state Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:06 ` Steven Price [this message] 2019-02-27 17:06 ` [PATCH v3 31/34] x86/mm+efi: Convert ptdump_walk_pgd_level() to take a mm_struct Steven Price 2019-02-27 17:06 ` [PATCH v3 32/34] x86/mm: Convert ptdump_walk_pgd_level_debugfs() to take an mm_struct Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 33/34] x86/mm: Convert ptdump_walk_pgd_level_core() " Steven Price 2019-02-27 17:06 ` Steven Price 2019-02-27 17:06 ` [PATCH v3 34/34] x86: mm: Convert dump_pagetables to use walk_page_range Steven Price 2019-02-27 17:06 ` Steven Price
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