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, Christian Borntraeger <borntraeger@de.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
linux-s390@vger.kernel.org
Subject: [PATCH 09/19] s390/vdso: Remove vdso_base pointer from mm->context
Date: Sun, 8 Nov 2020 05:17:19 +0000 [thread overview]
Message-ID: <20201108051730.2042693-10-dima@arista.com> (raw)
In-Reply-To: <20201108051730.2042693-1-dima@arista.com>
Not used any more.
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Signed-off-by: Dmitry Safonov <dima@arista.com>
---
arch/s390/include/asm/mmu.h | 1 -
arch/s390/kernel/vdso.c | 10 ----------
2 files changed, 11 deletions(-)
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index e12ff0f29d1a..095d0596f700 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -15,7 +15,6 @@ typedef struct {
unsigned long gmap_asce;
unsigned long asce;
unsigned long asce_limit;
- unsigned long vdso_base;
/* The mmu context belongs to a secure guest. */
atomic_t is_protected;
/*
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 810b72f8985c..3f07711a07c1 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -58,18 +58,9 @@ static vm_fault_t vdso_fault(const struct vm_special_mapping *sm,
return 0;
}
-static int vdso_mremap(const struct vm_special_mapping *sm,
- struct vm_area_struct *vma)
-{
- current->mm->context.vdso_base = vma->vm_start;
-
- return 0;
-}
-
static const struct vm_special_mapping vdso_mapping = {
.name = "[vdso]",
.fault = vdso_fault,
- .mremap = vdso_mremap,
};
static int __init vdso_setup(char *str)
@@ -204,7 +195,6 @@ int arch_setup_additional_pages(unsigned long *sysinfo_ehdr)
goto out_up;
}
- current->mm->context.vdso_base = vdso_base;
*sysinfo_ehdr = vdso_base;
rc = 0;
--
2.28.0
next prev parent reply other threads:[~2020-11-08 5:18 UTC|newest]
Thread overview: 31+ 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 ` [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 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 ` [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 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 ` [PATCH 08/19] arm/vdso: Remove vdso pointer from mm->context Dmitry Safonov
2020-11-08 5:17 ` Dmitry Safonov [this message]
2020-11-08 5:17 ` [PATCH 10/19] sparc/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
2020-11-08 19:07 ` [PATCH 00/19] Add generic user_landing tracking Andy Lutomirski
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=20201108051730.2042693-10-dima@arista.com \
--to=dima@arista.com \
--cc=0x7f454c46@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=borntraeger@de.ibm.com \
--cc=bp@alien8.de \
--cc=catalin.marinas@arm.com \
--cc=christophe.leroy@csgroup.eu \
--cc=gor@linux.ibm.com \
--cc=guoren@kernel.org \
--cc=hca@linux.ibm.com \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=oleg@redhat.com \
--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: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox