From: Petr Mladek <pmladek@suse.com>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Tony Luck <tony.luck@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
James Bottomley <jejb@parisc-linux.org>,
Helge Deller <deller@gmx.de>,
Andrew Morton <akpm@linux-foundation.org>,
Jessica Yu <jeyu@kernel.org>, Alexei Starovoitov <ast@kernel.org>,
linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCHv3 3/7] ia64: Add .opd based function descriptor dereference
Date: Wed, 04 Oct 2017 09:05:26 +0000 [thread overview]
Message-ID: <20171004090526.GE20084@pathway.suse.cz> (raw)
In-Reply-To: <20170930025319.987-4-sergey.senozhatsky@gmail.com>
On Sat 2017-09-30 11:53:15, Sergey Senozhatsky wrote:
> We are moving towards separate kernel and module function descriptor
> dereference callbacks. This patch enables it for IA64.
>
> For pointers that belong to the kernel
> - Added __start_opd and __end_opd pointers, to track the kernel
> .opd section address range;
>
> - Added dereference_kernel_function_descriptor(). Now we
> will dereference only function pointers that are within
> [__start_opd, __end_opd];
>
> For pointers that belong to a module
> - Added dereference_module_function_descriptor() to handle module
> function descriptor dereference. Now we will dereference only
> pointers that are within [module->opd.start, module->opd.end].
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> Tested-by: Helge Deller <deller@gmx.de> # parisc64
> Tested-by: Santosh Sivaraj <santosh@fossix.org> # powerpc64
> Acked-by: Michael Ellerman <mpe@ellerman.id.au> # powerpc64
> Tested-by: Tony Luck <tony.luck@intel.com> # ia64
Looks good to me.
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards,
Petr
WARNING: multiple messages have this Message-ID (diff)
From: Petr Mladek <pmladek@suse.com>
To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Tony Luck <tony.luck@intel.com>,
Fenghua Yu <fenghua.yu@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Ellerman <mpe@ellerman.id.au>,
James Bottomley <jejb@parisc-linux.org>,
Helge Deller <deller@gmx.de>,
Andrew Morton <akpm@linux-foundation.org>,
Jessica Yu <jeyu@kernel.org>, Alexei Starovoitov <ast@kernel.org>,
linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCHv3 3/7] ia64: Add .opd based function descriptor dereference
Date: Wed, 4 Oct 2017 11:05:26 +0200 [thread overview]
Message-ID: <20171004090526.GE20084@pathway.suse.cz> (raw)
In-Reply-To: <20170930025319.987-4-sergey.senozhatsky@gmail.com>
On Sat 2017-09-30 11:53:15, Sergey Senozhatsky wrote:
> We are moving towards separate kernel and module function descriptor
> dereference callbacks. This patch enables it for IA64.
>
> For pointers that belong to the kernel
> - Added __start_opd and __end_opd pointers, to track the kernel
> .opd section address range;
>
> - Added dereference_kernel_function_descriptor(). Now we
> will dereference only function pointers that are within
> [__start_opd, __end_opd];
>
> For pointers that belong to a module
> - Added dereference_module_function_descriptor() to handle module
> function descriptor dereference. Now we will dereference only
> pointers that are within [module->opd.start, module->opd.end].
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> Tested-by: Helge Deller <deller@gmx.de> # parisc64
> Tested-by: Santosh Sivaraj <santosh@fossix.org> # powerpc64
> Acked-by: Michael Ellerman <mpe@ellerman.id.au> # powerpc64
> Tested-by: Tony Luck <tony.luck@intel.com> # ia64
Looks good to me.
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards,
Petr
next prev parent reply other threads:[~2017-10-04 9:05 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-30 2:53 [PATCHv3 0/7] printk/ia64/ppc64/parisc64: let's deprecate %pF/%pf printk specifiers Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-09-30 2:53 ` [PATCHv3 1/7] switch dereference_function_descriptor() to `unsigned long' Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 8:24 ` Petr Mladek
2017-10-04 8:24 ` Petr Mladek
2017-10-19 6:50 ` Sergey Senozhatsky
2017-10-19 6:50 ` Sergey Senozhatsky
2017-10-20 13:25 ` Petr Mladek
2017-10-20 13:25 ` Petr Mladek
2017-09-30 2:53 ` [PATCHv3 2/7] sections: split dereference_function_descriptor() Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 9:00 ` Petr Mladek
2017-10-04 9:00 ` Petr Mladek
2017-10-19 6:45 ` Sergey Senozhatsky
2017-10-19 6:45 ` Sergey Senozhatsky
2017-09-30 2:53 ` [PATCHv3 3/7] ia64: Add .opd based function descriptor dereference Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 9:05 ` Petr Mladek [this message]
2017-10-04 9:05 ` Petr Mladek
2017-09-30 2:53 ` [PATCHv3 4/7] powerpc64: " Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 9:21 ` Petr Mladek
2017-10-04 9:21 ` Petr Mladek
2017-10-04 11:06 ` Michael Ellerman
2017-10-04 11:06 ` Michael Ellerman
2017-10-19 14:01 ` Sergey Senozhatsky
2017-10-19 14:01 ` Sergey Senozhatsky
2017-10-19 6:45 ` Sergey Senozhatsky
2017-10-19 6:45 ` Sergey Senozhatsky
2017-09-30 2:53 ` [PATCHv3 5/7] parisc64: " Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 10:40 ` Petr Mladek
2017-10-04 10:40 ` Petr Mladek
2017-10-19 6:44 ` Sergey Senozhatsky
2017-10-19 6:44 ` Sergey Senozhatsky
2017-09-30 2:53 ` [PATCHv3 6/7] symbol lookup: use new kernel and module dereference functions Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 11:53 ` Petr Mladek
2017-10-04 11:53 ` Petr Mladek
2017-10-19 6:42 ` Sergey Senozhatsky
2017-10-19 6:42 ` Sergey Senozhatsky
2017-10-20 13:08 ` Petr Mladek
2017-10-20 13:08 ` Petr Mladek
2017-10-23 8:38 ` Sergey Senozhatsky
2017-10-23 8:38 ` Sergey Senozhatsky
2017-09-30 2:53 ` [PATCHv3 7/7] checkpatch: add pF/pf deprecation warning Sergey Senozhatsky
2017-09-30 2:53 ` Sergey Senozhatsky
2017-10-04 12:08 ` Petr Mladek
2017-10-04 12:08 ` Petr Mladek
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