linux-kernel - [tip:x86/platform] x86/platform/uv/BAU: Convert uv_physnodeaddr() use to uv_gpa_to

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Message-ID: <tip-60e1c842c7ea3dd6a65660864554565cc737dd86@git.kernel.org>
Date:   Thu, 22 Sep 2016 03:30:06 -0700
From:   tip-bot for Andrew Banman <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     peterz@...radead.org, mingo@...nel.org,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        abanman@....com, travis@....com, tglx@...utronix.de,
        sivanich@....com, hpa@...or.com
Subject: [tip:x86/platform] x86/platform/uv/BAU: Convert uv_physnodeaddr()
 use to uv_gpa_to_offset()

Commit-ID:  60e1c842c7ea3dd6a65660864554565cc737dd86
Gitweb:     http://git.kernel.org/tip/60e1c842c7ea3dd6a65660864554565cc737dd86
Author:     Andrew Banman <abanman@....com>
AuthorDate: Wed, 21 Sep 2016 11:09:15 -0500
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 22 Sep 2016 11:16:13 +0200

x86/platform/uv/BAU: Convert uv_physnodeaddr() use to uv_gpa_to_offset()

The BAU driver should use the functions provided by uv_hub.h rather than
its own implementations. uv_physnodeaddr converts vaddrs to paddrs for
BAU MMR fields, but this is done better by uv_gpa_to_offset.

Signed-off-by: Andrew Banman <abanman@....com>
Acked-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Mike Travis <travis@....com>
Acked-by: Dimitri Sivanich <sivanich@....com>
Acked-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: akpm@...ux-foundation.org
Cc: rja@....com
Link: http://lkml.kernel.org/r/1474474161-265604-5-git-send-email-abanman@sgi.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/include/asm/uv/uv_bau.h | 2 --
 arch/x86/platform/uv/tlb_uv.c    | 4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index cc058c6..a46f270 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -55,8 +55,6 @@
 #define UV_BAU_TUNABLES_DIR		"sgi_uv"
 #define UV_BAU_TUNABLES_FILE		"bau_tunables"
 #define WHITESPACE			" \t\n"
-#define uv_mmask			((1UL << uv_hub_info->m_val) - 1)
-#define uv_physnodeaddr(x)		((__pa((unsigned long)(x)) & uv_mmask))
 #define cpubit_isset(cpu, bau_local_cpumask) \
 	test_bit((cpu), (bau_local_cpumask).bits)
 
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index f6bc43b..34b2a48 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1812,8 +1812,8 @@ static void pq_init(int node, int pnode)
 		bcp->queue_last		= pqp + (DEST_Q_SIZE - 1);
 	}
 
-	first = uv_physnodeaddr(pqp);
-	last = uv_physnodeaddr(pqp + (DEST_Q_SIZE - 1));
+	first = uv_gpa_to_offset(uv_gpa(pqp));
+	last = uv_gpa_to_offset(uv_gpa(pqp + (DEST_Q_SIZE - 1)));
 	tail = first;
 	gnode = uv_gpa_to_gnode(uv_gpa(pqp));
 	first = (gnode << UV_PAYLOADQ_GNODE_SHIFT) | tail;