linux-kernel - [PATCH v5 5/5] Documentation/vmcoreinfo: Add documentation for 'TCR

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Message-Id: <1574972716-25858-4-git-send-email-bhsharma@redhat.com>
Date:   Fri, 29 Nov 2019 01:55:16 +0530
From:   Bhupesh Sharma <bhsharma@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     bhsharma@...hat.com, bhupesh.linux@...il.com, x86@...nel.org,
        linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-doc@...r.kernel.org,
        kexec@...ts.infradead.org, James Morse <james.morse@....com>,
        Mark Rutland <mark.rutland@....com>,
        Will Deacon <will@...nel.org>,
        Steve Capper <steve.capper@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Dave Anderson <anderson@...hat.com>,
        Kazuhito Hagio <k-hagio@...jp.nec.com>
Subject: [PATCH v5 5/5] Documentation/vmcoreinfo: Add documentation for 'TCR_EL1.T1SZ'

Add documentation for TCR_EL1.T1SZ variable being added to
vmcoreinfo.

It indicates the size offset of the memory region addressed by TTBR1_EL1
and hence can be used for determining the vabits_actual value.

Cc: James Morse <james.morse@....com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Steve Capper <steve.capper@....com>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc: Dave Anderson <anderson@...hat.com>
Cc: Kazuhito Hagio <k-hagio@...jp.nec.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: kexec@...ts.infradead.org
Signed-off-by: Bhupesh Sharma <bhsharma@...hat.com>
---
 Documentation/admin-guide/kdump/vmcoreinfo.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/admin-guide/kdump/vmcoreinfo.rst b/Documentation/admin-guide/kdump/vmcoreinfo.rst
index 447b64314f56..f9349f9d3345 100644
--- a/Documentation/admin-guide/kdump/vmcoreinfo.rst
+++ b/Documentation/admin-guide/kdump/vmcoreinfo.rst
@@ -398,6 +398,12 @@ KERNELOFFSET
 The kernel randomization offset. Used to compute the page offset. If
 KASLR is disabled, this value is zero.
 
+TCR_EL1.T1SZ
+------------
+
+Indicates the size offset of the memory region addressed by TTBR1_EL1
+and hence can be used for determining the vabits_actual value.
+
 arm
 ===
 
-- 
2.7.4