From: Alexandre Ghiti <alex@ghiti.fr> To: Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Arnd Bergmann <arnd@arndb.de>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-mm@kvack.org Cc: Alexandre Ghiti <alex@ghiti.fr> Subject: [PATCH] riscv: Remove 32b kernel mapping from page table dump Date: Sun, 18 Apr 2021 07:28:56 -0400 [thread overview] Message-ID: <20210418112856.15078-1-alex@ghiti.fr> (raw) The 32b kernel mapping lies in the linear mapping, there is no point in printing its address in page table dump, so remove this leftover that comes from moving the kernel mapping outside the linear mapping for 64b kernel. Fixes: e9efb21fe352 ("riscv: Prepare ptdump for vm layout dynamic addresses") Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> --- arch/riscv/mm/ptdump.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index 0aba4421115c..a4ed4bdbbfde 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -76,8 +76,8 @@ enum address_markers_idx { PAGE_OFFSET_NR, #ifdef CONFIG_64BIT MODULES_MAPPING_NR, -#endif KERNEL_MAPPING_NR, +#endif END_OF_SPACE_NR }; @@ -99,8 +99,8 @@ static struct addr_marker address_markers[] = { {0, "Linear mapping"}, #ifdef CONFIG_64BIT {0, "Modules mapping"}, -#endif {0, "Kernel mapping (kernel, BPF)"}, +#endif {-1, NULL}, }; @@ -379,8 +379,8 @@ static int ptdump_init(void) address_markers[PAGE_OFFSET_NR].start_address = PAGE_OFFSET; #ifdef CONFIG_64BIT address_markers[MODULES_MAPPING_NR].start_address = MODULES_VADDR; -#endif address_markers[KERNEL_MAPPING_NR].start_address = kernel_virt_addr; +#endif kernel_ptd_info.base_addr = KERN_VIRT_START; -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Ghiti <alex@ghiti.fr> To: Jonathan Corbet <corbet@lwn.net>, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, Arnd Bergmann <arnd@arndb.de>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-mm@kvack.org Cc: Alexandre Ghiti <alex@ghiti.fr> Subject: [PATCH] riscv: Remove 32b kernel mapping from page table dump Date: Sun, 18 Apr 2021 07:28:56 -0400 [thread overview] Message-ID: <20210418112856.15078-1-alex@ghiti.fr> (raw) The 32b kernel mapping lies in the linear mapping, there is no point in printing its address in page table dump, so remove this leftover that comes from moving the kernel mapping outside the linear mapping for 64b kernel. Fixes: e9efb21fe352 ("riscv: Prepare ptdump for vm layout dynamic addresses") Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> --- arch/riscv/mm/ptdump.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c index 0aba4421115c..a4ed4bdbbfde 100644 --- a/arch/riscv/mm/ptdump.c +++ b/arch/riscv/mm/ptdump.c @@ -76,8 +76,8 @@ enum address_markers_idx { PAGE_OFFSET_NR, #ifdef CONFIG_64BIT MODULES_MAPPING_NR, -#endif KERNEL_MAPPING_NR, +#endif END_OF_SPACE_NR }; @@ -99,8 +99,8 @@ static struct addr_marker address_markers[] = { {0, "Linear mapping"}, #ifdef CONFIG_64BIT {0, "Modules mapping"}, -#endif {0, "Kernel mapping (kernel, BPF)"}, +#endif {-1, NULL}, }; @@ -379,8 +379,8 @@ static int ptdump_init(void) address_markers[PAGE_OFFSET_NR].start_address = PAGE_OFFSET; #ifdef CONFIG_64BIT address_markers[MODULES_MAPPING_NR].start_address = MODULES_VADDR; -#endif address_markers[KERNEL_MAPPING_NR].start_address = kernel_virt_addr; +#endif kernel_ptd_info.base_addr = KERN_VIRT_START; -- 2.20.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next reply other threads:[~2021-04-18 11:29 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-18 11:28 Alexandre Ghiti [this message] 2021-04-18 11:28 ` [PATCH] riscv: Remove 32b kernel mapping from page table dump Alexandre Ghiti 2021-04-20 4:19 ` Anup Patel 2021-04-20 4:19 ` Anup Patel 2021-04-20 4:19 ` Anup Patel 2021-04-28 7:26 ` Alex Ghiti 2021-04-28 7:26 ` Alex Ghiti
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