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 v2 10/19] sparc/vdso: Remove vdso pointer from mm->context
Date: Tue, 24 Nov 2020 00:29:23 +0000 [thread overview]
Message-ID: <20201124002932.1220517-11-dima@arista.com> (raw)
In-Reply-To: <20201124002932.1220517-1-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);
--
2.29.2
next prev parent reply other threads:[~2020-11-24 0:30 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-24 0:29 [PATCH v2 00/19] Add generic vdso_base tracking Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 01/19] x86/elf: Check in_x32_syscall() in compat_arch_setup_additional_pages() Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 02/19] elf: Move arch_setup_additional_pages() to generic elf.h Dmitry Safonov
2020-11-24 6:12 ` Christophe Leroy
2020-11-26 19:45 ` Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 03/19] arm64: Use in_compat_task() in arch_setup_additional_pages() Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 04/19] x86: Remove compat_arch_setup_additional_pages() Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 05/19] elf: " Dmitry Safonov
2020-11-24 6:13 ` Christophe Leroy
2020-11-26 19:45 ` Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 06/19] elf/vdso: Reuse arch_setup_additional_pages() parameters Dmitry Safonov
2020-11-24 6:18 ` Christophe Leroy
2020-11-26 19:46 ` Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 07/19] elf: Use sysinfo_ehdr in ARCH_DLINFO() Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 08/19] arm/vdso: Remove vdso pointer from mm->context Dmitry Safonov
2020-11-24 6:22 ` Christophe Leroy
2020-11-26 19:48 ` Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 09/19] s390/vdso: Remove vdso_base " Dmitry Safonov
2020-11-24 6:22 ` Christophe Leroy
2020-11-24 0:29 ` Dmitry Safonov [this message]
2020-11-24 0:29 ` [PATCH v2 11/19] mm/mmap: Make vm_special_mapping::mremap return void Dmitry Safonov
2020-11-24 6:25 ` Christophe Leroy
2020-11-24 0:29 ` [PATCH v2 12/19] x86/signal: Land on &frame->retcode when vdso isn't mapped Dmitry Safonov
2020-11-24 23:08 ` Andy Lutomirski
2020-11-24 0:29 ` [PATCH v2 13/19] x86/signal: Check if vdso_image_32 is mapped before trying to land on it Dmitry Safonov
2020-11-24 23:43 ` Andy Lutomirski
2020-11-26 20:00 ` Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 14/19] mm: Add vdso_base in mm_struct Dmitry Safonov
2020-11-24 23:37 ` Andy Lutomirski
2020-11-24 0:29 ` [PATCH v2 15/19] x86/vdso: Migrate to generic vdso_base Dmitry Safonov
2020-11-24 2:51 ` kernel test robot
2020-11-24 0:29 ` [PATCH v2 16/19] arm/vdso: " Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 17/19] arm64/vdso: Migrate compat signals " Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 18/19] arm64/vdso: Migrate native " Dmitry Safonov
2020-11-24 0:29 ` [PATCH v2 19/19] mips/vdso: Migrate " Dmitry Safonov
2020-11-24 6:53 ` [PATCH v2 00/19] Add generic vdso_base tracking Christophe Leroy
2020-11-26 20:41 ` Dmitry Safonov
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