[Top] [All Lists]

[PATCH 14/15] MIPS: MIPS_CMP should depend upon !SMTC, not upon SMVP

To: <>
Subject: [PATCH 14/15] MIPS: MIPS_CMP should depend upon !SMTC, not upon SMVP
From: Paul Burton <>
Date: Wed, 15 Jan 2014 10:31:59 +0000
Cc: Paul Burton <>
In-reply-to: <>
List-archive: <>
List-help: <>
List-id: linux-mips <>
List-owner: <>
List-post: <>
List-software: Ecartis version 1.0.0
List-subscribe: <>
List-unsubscribe: <>
Original-recipient: rfc822;
References: <>
Commit f55afb0969cc "MIPS: Clean up MIPS MT and CMP configuration
options." introduced a dependency upon MIPS_MT_SMP (ie. SMVP) for the
MIPS_CMP (ie. CMP framework support) Kconfig option. It did not specify
why, and that dependency is bogus. It is perfectly valid to have a
multi-core system with the YAMON bootloader but without MT support -
an example of this would be any multi-core proAptiv bitstream running on
a Malta. Forcing MT support to be enabled in a kernel for such a system
is incorrect. I suspect that the dependency was actually meant to
reflect the fact that YAMON will only bind 1 TC per VPE on an MT system,
and only describe those 1:1 TC:VPE pairs as CPUs through the AMON
interface. Thus an SMTC kernel makes little sense on a system using
MIPS_CMP, and the Kconfig dependencies should reflect that rather than
introducing the bogus SMVP dependency.

Signed-off-by: Paul Burton <>
 arch/mips/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 1cd7148..bdf4012 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1981,7 +1981,7 @@ config MIPS_VPE_APSP_API_MT
 config MIPS_CMP
        bool "MIPS CMP framework support"
-       depends on SYS_SUPPORTS_MIPS_CMP && MIPS_MT_SMP
+       depends on SYS_SUPPORTS_MIPS_CMP && !MIPS_MT_SMTC
        select MIPS_GIC_IPI
        select SYNC_R4K
        select WEAK_ORDERING

<Prev in Thread] Current Thread [Next in Thread>