From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Dmitry Safonov <dima@arista.com>, Alexander Viro <viro@zeniv.linux.org.uk>, Andrew Morton <akpm@linux-foundation.org>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>, Catalin Marinas <catalin.marinas@arm.com>, Christophe Leroy <christophe.leroy@csgroup.eu>, Guo Ren <guoren@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>, Oleg Nesterov <oleg@redhat.com>, Russell King <linux@armlinux.org.uk>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Thomas Gleixner <tglx@linutronix.de>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Will Deacon <will@kernel.org>, x86@kernel.org, "David S. Miller" <davem@davemloft.net>, sparclinux@vger.kernel.org Subject: [PATCH 10/19] sparc/vdso: Remove vdso pointer from mm->context Date: Sun, 8 Nov 2020 05:17:20 +0000 [thread overview] Message-ID: <20201108051730.2042693-11-dima@arista.com> (raw) In-Reply-To: <20201108051730.2042693-1-dima@arista.com> Not used any more. Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Dmitry Safonov <dima@arista.com> --- arch/sparc/include/asm/mmu_64.h | 1 - arch/sparc/vdso/vma.c | 5 +---- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index 7e2704c770e9..8e7892890d14 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -111,7 +111,6 @@ typedef struct { unsigned long thp_pte_count; struct tsb_config tsb_block[MM_NUM_TSBS]; struct hv_tsb_descr tsb_descr[MM_NUM_TSBS]; - void *vdso; bool adi; tag_storage_desc_t *tag_store; spinlock_t tag_lock; diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index bf9195fe9bcc..255e052223ca 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -389,7 +389,6 @@ static int map_vdso(const struct vdso_image *image, } text_start = addr - image->sym_vvar_start; - current->mm->context.vdso = (void __user *)text_start; /* * MAYWRITE to allow gdb to COW and set breakpoints @@ -418,9 +417,7 @@ static int map_vdso(const struct vdso_image *image, } up_fail: - if (ret) - current->mm->context.vdso = NULL; - else + if (!ret) *sysinfo_ehdr = text_start; mmap_write_unlock(mm); -- 2.28.0
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Safonov <dima@arista.com> To: linux-kernel@vger.kernel.org Cc: Dmitry Safonov <0x7f454c46@gmail.com>, Dmitry Safonov <dima@arista.com>, Alexander Viro <viro@zeniv.linux.org.uk>, Andrew Morton <akpm@linux-foundation.org>, Andy Lutomirski <luto@kernel.org>, Arnd Bergmann <arnd@arndb.de>, Borislav Petkov <bp@alien8.de>, Catalin Marinas <catalin.marinas@arm.com>, Christophe Leroy <christophe.leroy@csgroup.eu>, Guo Ren <guoren@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>, Oleg Nesterov <oleg@redhat.com>, Russell King <linux@armlinux.org.uk>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Thomas Gleixner <tglx@linutronix.de>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Will Deacon <will@kernel.org>, x86@kernel.org, "David S. Miller" <davem@davemloft.net>, sparclinux@vger.kernel.org Subject: [PATCH 10/19] sparc/vdso: Remove vdso pointer from mm->context Date: Sun, 08 Nov 2020 05:17:20 +0000 [thread overview] Message-ID: <20201108051730.2042693-11-dima@arista.com> (raw) In-Reply-To: <20201108051730.2042693-1-dima@arista.com> Not used any more. Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Dmitry Safonov <dima@arista.com> --- arch/sparc/include/asm/mmu_64.h | 1 - arch/sparc/vdso/vma.c | 5 +---- 2 files changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index 7e2704c770e9..8e7892890d14 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -111,7 +111,6 @@ typedef struct { unsigned long thp_pte_count; struct tsb_config tsb_block[MM_NUM_TSBS]; struct hv_tsb_descr tsb_descr[MM_NUM_TSBS]; - void *vdso; bool adi; tag_storage_desc_t *tag_store; spinlock_t tag_lock; diff --git a/arch/sparc/vdso/vma.c b/arch/sparc/vdso/vma.c index bf9195fe9bcc..255e052223ca 100644 --- a/arch/sparc/vdso/vma.c +++ b/arch/sparc/vdso/vma.c @@ -389,7 +389,6 @@ static int map_vdso(const struct vdso_image *image, } text_start = addr - image->sym_vvar_start; - current->mm->context.vdso = (void __user *)text_start; /* * MAYWRITE to allow gdb to COW and set breakpoints @@ -418,9 +417,7 @@ static int map_vdso(const struct vdso_image *image, } up_fail: - if (ret) - current->mm->context.vdso = NULL; - else + if (!ret) *sysinfo_ehdr = text_start; mmap_write_unlock(mm); -- 2.28.0
next prev parent reply other threads:[~2020-11-08 5:18 UTC|newest] Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-08 5:17 [PATCH 00/19] Add generic user_landing tracking Dmitry Safonov 2020-11-08 5:17 ` Dmitry Safonov 2020-11-08 5:17 ` Dmitry Safonov 2020-11-08 5:17 ` [PATCH 01/19] x86/elf: Check in_x32_syscall() in compat_arch_setup_additional_pages() Dmitry Safonov 2020-11-08 5:17 ` [PATCH 02/19] elf: Move arch_setup_additional_pages() to generic elf.h Dmitry Safonov 2020-11-13 6:58 ` kernel test robot 2020-11-13 6:58 ` kernel test robot 2020-11-13 7:01 ` kernel test robot 2020-11-13 7:01 ` kernel test robot 2020-11-08 5:17 ` [PATCH 03/19] arm64: Use in_compat_task() in arch_setup_additional_pages() Dmitry Safonov 2020-11-08 5:17 ` Dmitry Safonov 2020-11-08 5:17 ` [PATCH 04/19] x86: Remove compat_arch_setup_additional_pages() Dmitry Safonov 2020-11-08 5:17 ` [PATCH 05/19] elf: " Dmitry Safonov 2020-11-08 5:17 ` [PATCH 06/19] elf/vdso: Reuse arch_setup_additional_pages() parameters Dmitry Safonov 2020-11-13 6:57 ` kernel test robot 2020-11-13 6:57 ` kernel test robot 2020-11-13 8:04 ` kernel test robot 2020-11-13 8:04 ` kernel test robot 2020-11-08 5:17 ` [PATCH 07/19] elf: Use sysinfo_ehdr in ARCH_DLINFO() Dmitry Safonov 2020-11-08 5:17 ` Dmitry Safonov 2020-11-08 5:17 ` [PATCH 08/19] arm/vdso: Remove vdso pointer from mm->context Dmitry Safonov 2020-11-08 5:17 ` [PATCH 09/19] s390/vdso: Remove vdso_base " Dmitry Safonov 2020-11-08 5:17 ` Dmitry Safonov [this message] 2020-11-08 5:17 ` [PATCH 10/19] sparc/vdso: Remove vdso " Dmitry Safonov 2020-11-08 5:17 ` [PATCH 11/19] mm/mmap: Make vm_special_mapping::mremap return void Dmitry Safonov 2020-11-08 5:17 ` [PATCH 12/19] x86/signal: Land on &frame->retcode when vdso isn't mapped Dmitry Safonov 2020-11-08 19:06 ` Andy Lutomirski 2020-11-09 1:22 ` Dmitry Safonov 2020-11-08 5:17 ` [PATCH 13/19] x86/signal: Check if vdso_image_32 is mapped before trying to land on it Dmitry Safonov 2020-11-08 5:17 ` [PATCH 14/19] mm: Add user_landing in mm_struct Dmitry Safonov 2020-11-08 19:04 ` Andy Lutomirski 2020-11-09 1:25 ` Dmitry Safonov 2020-11-08 5:17 ` [PATCH 15/19] x86/vdso: Migrate to user_landing Dmitry Safonov 2020-11-08 5:17 ` [PATCH 16/19] arm/vdso: " Dmitry Safonov 2020-11-08 5:17 ` [PATCH 17/19] arm64/vdso: Migrate compat signals " Dmitry Safonov 2020-11-08 5:17 ` [PATCH 18/19] arm64/vdso: Migrate native " Dmitry Safonov 2020-11-08 5:17 ` [PATCH 19/19] mips/vdso: Migrate " Dmitry Safonov 2020-11-13 9:58 ` kernel test robot 2020-11-13 9:58 ` kernel test robot 2020-11-08 19:07 ` [PATCH 00/19] Add generic user_landing tracking Andy Lutomirski 2020-11-08 19:07 ` Andy Lutomirski 2020-11-08 19:07 ` Andy Lutomirski 2020-11-09 1:27 ` Dmitry Safonov 2020-11-09 1:27 ` Dmitry Safonov 2020-11-09 1:27 ` Dmitry Safonov
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20201108051730.2042693-11-dima@arista.com \ --to=dima@arista.com \ --cc=0x7f454c46@gmail.com \ --cc=akpm@linux-foundation.org \ --cc=arnd@arndb.de \ --cc=bp@alien8.de \ --cc=catalin.marinas@arm.com \ --cc=christophe.leroy@csgroup.eu \ --cc=davem@davemloft.net \ --cc=guoren@kernel.org \ --cc=hpa@zytor.com \ --cc=linux-kernel@vger.kernel.org \ --cc=linux@armlinux.org.uk \ --cc=luto@kernel.org \ --cc=mingo@redhat.com \ --cc=oleg@redhat.com \ --cc=sparclinux@vger.kernel.org \ --cc=tglx@linutronix.de \ --cc=tsbogend@alpha.franken.de \ --cc=vincenzo.frascino@arm.com \ --cc=viro@zeniv.linux.org.uk \ --cc=will@kernel.org \ --cc=x86@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.