From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: linux-kernel@vger.kernel.org, 0x7f454c46@gmail.com,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Ralf Baechle <ralf@linux-mips.org>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
Helge Deller <deller@gmx.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
"David S. Miller" <davem@davemloft.net>,
Peter Zijlstra <peterz@infradead.org>,
linux-arm-kernel@lists.infradead.org, linux-mips@linux-mips.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Andy Lutomirski <luto@kernel.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
x86@kernel.org
Subject: Re: [RFC 1/4] mm: remove unused TASK_SIZE_OF()
Date: Mon, 2 Jan 2017 07:57:13 +0100 [thread overview]
Message-ID: <20170102065713.GB4779@osiris> (raw)
In-Reply-To: <20161230155634.8692-2-dsafonov@virtuozzo.com>
On Fri, Dec 30, 2016 at 06:56:31PM +0300, Dmitry Safonov wrote:
> All users of TASK_SIZE_OF(tsk) have migrated to mm->task_size or
> TASK_SIZE_MAX since:
> commit d696ca016d57 ("x86/fsgsbase/64: Use TASK_SIZE_MAX for
> FSBASE/GSBASE upper limits"),
> commit a06db751c321 ("pagemap: check permissions and capabilities at
> open time"),
>
> Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
> ---
...
> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
> index 6bca916a5ba0..c53e8e2a51ac 100644
> --- a/arch/s390/include/asm/processor.h
> +++ b/arch/s390/include/asm/processor.h
> @@ -89,10 +89,9 @@ extern void execve_tail(void);
> * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
> */
>
> -#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit)
> #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
> (1UL << 30) : (1UL << 41))
> -#define TASK_SIZE TASK_SIZE_OF(current)
> +#define TASK_SIZE (current->mm->context.asce_limit)
> #define TASK_MAX_SIZE (1UL << 53)
>
> #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
FWIW, for the s390 part:
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Dmitry Safonov <dsafonov@virtuozzo.com>
Cc: linux-kernel@vger.kernel.org, 0x7f454c46@gmail.com,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Ralf Baechle <ralf@linux-mips.org>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
Helge Deller <deller@gmx.de>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
"David S. Miller" <davem@davemloft.net>,
Peter Zijlstra <peterz@infradead.org>,
linux-arm-kernel@lists.infradead.org, linux-mips@linux-mips.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
"H. Peter Anvi
Subject: Re: [RFC 1/4] mm: remove unused TASK_SIZE_OF()
Date: Mon, 2 Jan 2017 07:57:13 +0100 [thread overview]
Message-ID: <20170102065713.GB4779@osiris> (raw)
In-Reply-To: <20161230155634.8692-2-dsafonov@virtuozzo.com>
On Fri, Dec 30, 2016 at 06:56:31PM +0300, Dmitry Safonov wrote:
> All users of TASK_SIZE_OF(tsk) have migrated to mm->task_size or
> TASK_SIZE_MAX since:
> commit d696ca016d57 ("x86/fsgsbase/64: Use TASK_SIZE_MAX for
> FSBASE/GSBASE upper limits"),
> commit a06db751c321 ("pagemap: check permissions and capabilities at
> open time"),
>
> Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
> ---
...
> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
> index 6bca916a5ba0..c53e8e2a51ac 100644
> --- a/arch/s390/include/asm/processor.h
> +++ b/arch/s390/include/asm/processor.h
> @@ -89,10 +89,9 @@ extern void execve_tail(void);
> * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
> */
>
> -#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit)
> #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
> (1UL << 30) : (1UL << 41))
> -#define TASK_SIZE TASK_SIZE_OF(current)
> +#define TASK_SIZE (current->mm->context.asce_limit)
> #define TASK_MAX_SIZE (1UL << 53)
>
> #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
FWIW, for the s390 part:
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
WARNING: multiple messages have this Message-ID (diff)
From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [RFC 1/4] mm: remove unused TASK_SIZE_OF()
Date: Mon, 02 Jan 2017 06:57:13 +0000 [thread overview]
Message-ID: <20170102065713.GB4779@osiris> (raw)
In-Reply-To: <20161230155634.8692-2-dsafonov@virtuozzo.com>
On Fri, Dec 30, 2016 at 06:56:31PM +0300, Dmitry Safonov wrote:
> All users of TASK_SIZE_OF(tsk) have migrated to mm->task_size or
> TASK_SIZE_MAX since:
> commit d696ca016d57 ("x86/fsgsbase/64: Use TASK_SIZE_MAX for
> FSBASE/GSBASE upper limits"),
> commit a06db751c321 ("pagemap: check permissions and capabilities at
> open time"),
>
> Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
> ---
...
> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
> index 6bca916a5ba0..c53e8e2a51ac 100644
> --- a/arch/s390/include/asm/processor.h
> +++ b/arch/s390/include/asm/processor.h
> @@ -89,10 +89,9 @@ extern void execve_tail(void);
> * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
> */
>
> -#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit)
> #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
> (1UL << 30) : (1UL << 41))
> -#define TASK_SIZE TASK_SIZE_OF(current)
> +#define TASK_SIZE (current->mm->context.asce_limit)
> #define TASK_MAX_SIZE (1UL << 53)
>
> #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
FWIW, for the s390 part:
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
WARNING: multiple messages have this Message-ID (diff)
From: heiko.carstens@de.ibm.com (Heiko Carstens)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC 1/4] mm: remove unused TASK_SIZE_OF()
Date: Mon, 2 Jan 2017 07:57:13 +0100 [thread overview]
Message-ID: <20170102065713.GB4779@osiris> (raw)
In-Reply-To: <20161230155634.8692-2-dsafonov@virtuozzo.com>
On Fri, Dec 30, 2016 at 06:56:31PM +0300, Dmitry Safonov wrote:
> All users of TASK_SIZE_OF(tsk) have migrated to mm->task_size or
> TASK_SIZE_MAX since:
> commit d696ca016d57 ("x86/fsgsbase/64: Use TASK_SIZE_MAX for
> FSBASE/GSBASE upper limits"),
> commit a06db751c321 ("pagemap: check permissions and capabilities at
> open time"),
>
> Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
> ---
...
> diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
> index 6bca916a5ba0..c53e8e2a51ac 100644
> --- a/arch/s390/include/asm/processor.h
> +++ b/arch/s390/include/asm/processor.h
> @@ -89,10 +89,9 @@ extern void execve_tail(void);
> * User space process size: 2GB for 31 bit, 4TB or 8PT for 64 bit.
> */
>
> -#define TASK_SIZE_OF(tsk) ((tsk)->mm->context.asce_limit)
> #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_31BIT) ? \
> (1UL << 30) : (1UL << 41))
> -#define TASK_SIZE TASK_SIZE_OF(current)
> +#define TASK_SIZE (current->mm->context.asce_limit)
> #define TASK_MAX_SIZE (1UL << 53)
>
> #define STACK_TOP (1UL << (test_thread_flag(TIF_31BIT) ? 31:42))
FWIW, for the s390 part:
Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com>
next prev parent reply other threads:[~2017-01-02 6:57 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-30 15:56 [RFC 0/4] x86: keep TASK_SIZE in sync with mm->task_size Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` [RFC 1/4] mm: remove unused TASK_SIZE_OF() Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-30 15:56 ` Dmitry Safonov
2016-12-31 1:36 ` Andy Lutomirski
2016-12-31 1:36 ` Andy Lutomirski
2016-12-31 1:36 ` Andy Lutomirski
2016-12-31 1:36 ` Andy Lutomirski
2017-01-02 6:57 ` Heiko Carstens [this message]
2017-01-02 6:57 ` Heiko Carstens
2017-01-02 6:57 ` Heiko Carstens
2017-01-02 6:57 ` Heiko Carstens
2017-01-02 9:53 ` Kirill A. Shutemov
2017-01-02 9:53 ` Kirill A. Shutemov
2017-01-02 9:53 ` Kirill A. Shutemov
2017-01-02 9:53 ` Kirill A. Shutemov
2017-01-05 9:51 ` David Laight
2017-01-05 9:51 ` David Laight
2017-01-05 9:51 ` David Laight
2017-01-05 9:51 ` David Laight
2017-01-05 17:54 ` Andy Lutomirski
2017-01-05 17:54 ` Andy Lutomirski
2017-01-05 17:54 ` Andy Lutomirski
2017-01-05 17:54 ` Andy Lutomirski
2016-12-30 15:56 ` [RFC 2/4] x86/thread_info: kill TIF_ADDR32 in favour of ADDR_LIMIT_32BIT Dmitry Safonov
2016-12-31 1:38 ` Andy Lutomirski
2016-12-30 15:56 ` [RFC 3/4] x86/mm: define TASK_SIZE as current->mm->task_size Dmitry Safonov
2016-12-30 15:56 ` [RFC 4/4] x86/arch_prctl: add ARCH_{GET,SET}_TASK_SIZE Dmitry Safonov
2016-12-31 2:02 ` Andy Lutomirski
2016-12-31 11:10 ` 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=20170102065713.GB4779@osiris \
--to=heiko.carstens@de.ibm.com \
--cc=0x7f454c46@gmail.com \
--cc=benh@kernel.crashing.org \
--cc=catalin.marinas@arm.com \
--cc=davem@davemloft.net \
--cc=deller@gmx.de \
--cc=dsafonov@virtuozzo.com \
--cc=hpa@zytor.com \
--cc=jejb@parisc-linux.org \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mips@linux-mips.org \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-s390@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=luto@kernel.org \
--cc=mingo@redhat.com \
--cc=mpe@ellerman.id.au \
--cc=paulus@samba.org \
--cc=peterz@infradead.org \
--cc=ralf@linux-mips.org \
--cc=schwidefsky@de.ibm.com \
--cc=sparclinux@vger.kernel.org \
--cc=tglx@linutronix.de \
--cc=will.deacon@arm.com \
--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 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.