From: Andrew Morton <akpm@linux-foundation.org>
To: Khalid Aziz <khalid.aziz@oracle.com>
Cc: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au,
davem@davemloft.net, dave.hansen@linux.intel.com,
bsingharora@gmail.com, nborisov@suse.com, aarcange@redhat.com,
anthony.yznaga@oracle.com, mgorman@suse.de, linuxram@us.ibm.com,
kirill.shutemov@linux.intel.com, dan.j.williams@intel.com,
jack@suse.cz, ross.zwisler@linux.intel.com,
gregkh@linuxfoundation.org, tglx@linutronix.de, mhocko@suse.com,
n-horiguchi@ah.jp.nec.com, jglisse@redhat.com,
henry.willard@oracle.com, aneesh.kumar@linux.vnet.ibm.com,
khandual@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
sparclinux@vger.kernel.org, Khalid Aziz <khalid@gonehiking.org>
Subject: Re: [PATCH v12 07/11] mm: Add address parameter to arch_validate_prot()
Date: Tue, 6 Mar 2018 14:48:07 -0800 [thread overview]
Message-ID: <20180306144807.30915bcffe6e640c3ad6279c@linux-foundation.org> (raw)
In-Reply-To: <349751cbd54fda6f4a223f941aa71bbfe7be77ce.1519227112.git.khalid.aziz@oracle.com>
On Wed, 21 Feb 2018 10:15:49 -0700 Khalid Aziz <khalid.aziz@oracle.com> wrote:
> A protection flag may not be valid across entire address space and
> hence arch_validate_prot() might need the address a protection bit is
> being set on to ensure it is a valid protection flag. For example, sparc
> processors support memory corruption detection (as part of ADI feature)
> flag on memory addresses mapped on to physical RAM but not on PFN mapped
> pages or addresses mapped on to devices. This patch adds address to the
> parameters being passed to arch_validate_prot() so protection bits can
> be validated in the relevant context.
>
> Signed-off-by: Khalid Aziz <khalid.aziz@oracle.com>
> Cc: Khalid Aziz <khalid@gonehiking.org>
> Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com>
Acked-by: Andrew Morton <akpm@linux-foundation.org>
next prev parent reply other threads:[~2018-03-06 22:48 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-21 17:15 [PATCH v12 00/11] Application Data Integrity feature introduced by SPARC M7 Khalid Aziz
2018-02-21 17:15 ` [PATCH v12 01/11] signals, sparc: Add signal codes for ADI violations Khalid Aziz
2018-02-21 20:58 ` Eric W. Biederman
2018-02-21 17:15 ` [PATCH v12 02/11] mm, swap: Add infrastructure for saving page metadata on swap Khalid Aziz
2018-03-05 19:20 ` Dave Hansen
2018-03-05 19:29 ` Khalid Aziz
2018-03-05 19:35 ` Dave Hansen
2018-03-05 20:28 ` Khalid Aziz
2018-03-05 21:04 ` Dave Hansen
2018-03-05 21:14 ` Khalid Aziz
2018-03-06 22:47 ` Andrew Morton
2018-02-21 17:15 ` [PATCH v12 03/11] sparc64: Add support for ADI register fields, ASIs and traps Khalid Aziz
2018-02-21 17:15 ` [PATCH v12 04/11] sparc64: Add HV fault type handlers for ADI related faults Khalid Aziz
2018-02-21 17:15 ` [PATCH v12 05/11] sparc64: Add handler for "Memory Corruption Detected" trap Khalid Aziz
2018-02-21 17:15 ` [PATCH v12 06/11] sparc64: Add auxiliary vectors to report platform ADI properties Khalid Aziz
2018-02-21 17:15 ` [PATCH v12 07/11] mm: Add address parameter to arch_validate_prot() Khalid Aziz
2018-02-26 5:54 ` Michael Ellerman
2018-03-06 22:48 ` Andrew Morton [this message]
2018-02-21 17:15 ` [PATCH v12 08/11] mm: Clear arch specific VM flags on protection change Khalid Aziz
2018-03-05 19:23 ` Dave Hansen
2018-03-05 20:38 ` Khalid Aziz
2018-03-06 22:48 ` Andrew Morton
2018-02-21 17:15 ` [PATCH v12 09/11] mm: Allow arch code to override copy_highpage() Khalid Aziz
2018-03-05 19:24 ` Dave Hansen
2018-03-05 20:42 ` Khalid Aziz
2018-03-05 20:56 ` Dave Hansen
2018-03-06 22:48 ` Andrew Morton
2018-02-21 17:15 ` [PATCH v12 10/11] sparc64: Add support for ADI (Application Data Integrity) Khalid Aziz
2018-02-23 2:50 ` kbuild test robot
2018-02-23 18:51 ` Khalid Aziz
2018-02-23 18:57 ` David Miller
2018-02-23 22:11 ` Khalid Aziz
2018-03-05 19:22 ` Dave Hansen
2018-03-05 21:14 ` Khalid Aziz
2018-03-05 21:26 ` Dave Hansen
2018-03-05 21:31 ` Dave Hansen
2018-03-05 22:55 ` Khalid Aziz
2018-03-05 21:26 ` Dave Hansen
2018-03-05 21:37 ` Khalid Aziz
2018-03-05 21:50 ` Dave Hansen
2018-02-21 17:15 ` [PATCH v12 11/11] sparc64: Update signal delivery to use new helper functions Khalid Aziz
2018-02-21 20:59 ` Eric W. Biederman
2018-03-18 15:08 ` [PATCH v12 00/11] Application Data Integrity feature introduced by SPARC M7 David Miller
2018-03-19 15:19 ` Khalid Aziz
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=20180306144807.30915bcffe6e640c3ad6279c@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=aarcange@redhat.com \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=anthony.yznaga@oracle.com \
--cc=benh@kernel.crashing.org \
--cc=bsingharora@gmail.com \
--cc=dan.j.williams@intel.com \
--cc=dave.hansen@linux.intel.com \
--cc=davem@davemloft.net \
--cc=gregkh@linuxfoundation.org \
--cc=henry.willard@oracle.com \
--cc=jack@suse.cz \
--cc=jglisse@redhat.com \
--cc=khalid.aziz@oracle.com \
--cc=khalid@gonehiking.org \
--cc=khandual@linux.vnet.ibm.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=linuxram@us.ibm.com \
--cc=mgorman@suse.de \
--cc=mhocko@suse.com \
--cc=mpe@ellerman.id.au \
--cc=n-horiguchi@ah.jp.nec.com \
--cc=nborisov@suse.com \
--cc=paulus@samba.org \
--cc=ross.zwisler@linux.intel.com \
--cc=sparclinux@vger.kernel.org \
--cc=tglx@linutronix.de \
/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;
as well as URLs for NNTP newsgroup(s).