* FAILED: patch "[PATCH] MIPS: CPS: #ifdef on CONFIG_MIPS_MT_SMP rather than" failed to apply to 4.1-stable tree
@ 2015-10-17 23:23 gregkh
0 siblings, 0 replies; only message in thread
From: gregkh @ 2015-10-17 23:23 UTC (permalink / raw)
To: paul.burton, james.hogan, markos.chandras, ralf, stable; +Cc: stable
The patch below does not apply to the 4.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 7a63076d9a31a6c2073da45021eeb4f89d2a8b56 Mon Sep 17 00:00:00 2001
From: Paul Burton <paul.burton@imgtec.com>
Date: Wed, 5 Aug 2015 15:42:38 -0700
Subject: [PATCH] MIPS: CPS: #ifdef on CONFIG_MIPS_MT_SMP rather than
CONFIG_MIPS_MT
The CONFIG_MIPS_MT symbol can be selected by CONFIG_MIPS_VPE_LOADER in
addition to CONFIG_MIPS_MT_SMP. We only want MT code in the CPS SMP boot
vector if we're using MT for SMP. Thus switch the config symbol we ifdef
against to CONFIG_MIPS_MT_SMP.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: <stable@vger.kernel.org> # 3.16+
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/10867/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index 57642f56dffb..209ded16806b 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -224,7 +224,7 @@ LEAF(excep_ejtag)
END(excep_ejtag)
LEAF(mips_cps_core_init)
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
/* Check that the core implements the MT ASE */
has_mt t0, 3f
@@ -311,7 +311,7 @@ LEAF(mips_cps_boot_vpes)
/* Calculate this VPEs ID. If the core doesn't support MT use 0 */
li t9, 0
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
has_mt ta2, 1f
/* Find the number of VPEs present in the core */
@@ -339,7 +339,7 @@ LEAF(mips_cps_boot_vpes)
PTR_L ta3, COREBOOTCFG_VPECONFIG(t0)
PTR_ADDU v0, v0, ta3
-#ifdef CONFIG_MIPS_MT
+#ifdef CONFIG_MIPS_MT_SMP
/* If the core doesn't support MT then return */
bnez ta2, 1f
@@ -453,7 +453,7 @@ LEAF(mips_cps_boot_vpes)
2: .set pop
-#endif /* CONFIG_MIPS_MT */
+#endif /* CONFIG_MIPS_MT_SMP */
/* Return */
jr ra
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2015-10-17 23:23 FAILED: patch "[PATCH] MIPS: CPS: #ifdef on CONFIG_MIPS_MT_SMP rather than" failed to apply to 4.1-stable tree gregkh
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