Commit e455248d authored by Steven Price's avatar Steven Price Committed by Linus Torvalds

x86: mm+efi: convert ptdump_walk_pgd_level() to take a mm_struct

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 7e904a91 ("efi: Use efi_mm in x86
as well as ARM") we now have an mm_struct for EFI on x86.

Link: http://lkml.kernel.org/r/20191218162402.45610-18-steven.price@arm.comSigned-off-by: default avatarSteven Price <steven.price@arm.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: "Liang, Kan" <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Burton <paul.burton@mips.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zong Li <zong.li@sifive.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 74d2aaa1
...@@ -29,7 +29,7 @@ ...@@ -29,7 +29,7 @@
extern pgd_t early_top_pgt[PTRS_PER_PGD]; extern pgd_t early_top_pgt[PTRS_PER_PGD];
int __init __early_make_pgtable(unsigned long address, pmdval_t pmd); 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_debugfs(struct seq_file *m, pgd_t *pgd, bool user);
void ptdump_walk_pgd_level_checkwx(void); void ptdump_walk_pgd_level_checkwx(void);
void ptdump_walk_user_pgd_level_checkwx(void); void ptdump_walk_user_pgd_level_checkwx(void);
......
...@@ -567,9 +567,9 @@ static void ptdump_walk_pgd_level_core(struct seq_file *m, pgd_t *pgd, ...@@ -567,9 +567,9 @@ 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"); 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) void ptdump_walk_pgd_level_debugfs(struct seq_file *m, pgd_t *pgd, bool user)
......
...@@ -49,7 +49,7 @@ void efi_sync_low_kernel_mappings(void) {} ...@@ -49,7 +49,7 @@ void efi_sync_low_kernel_mappings(void) {}
void __init efi_dump_pagetable(void) void __init efi_dump_pagetable(void)
{ {
#ifdef CONFIG_EFI_PGT_DUMP #ifdef CONFIG_EFI_PGT_DUMP
ptdump_walk_pgd_level(NULL, swapper_pg_dir); ptdump_walk_pgd_level(NULL, &init_mm);
#endif #endif
} }
......
...@@ -471,9 +471,9 @@ void __init efi_dump_pagetable(void) ...@@ -471,9 +471,9 @@ void __init efi_dump_pagetable(void)
{ {
#ifdef CONFIG_EFI_PGT_DUMP #ifdef CONFIG_EFI_PGT_DUMP
if (efi_have_uv1_memmap()) if (efi_have_uv1_memmap())
ptdump_walk_pgd_level(NULL, swapper_pg_dir); ptdump_walk_pgd_level(NULL, &init_mm);
else else
ptdump_walk_pgd_level(NULL, efi_mm.pgd); ptdump_walk_pgd_level(NULL, &efi_mm);
#endif #endif
} }
......
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