linux-kernel - [PATCH 4.19 002/293] xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX

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Message-Id: <20210920163933.343788249@linuxfoundation.org>
Date:   Mon, 20 Sep 2021 18:39:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        Max Filippov <jcmvbkbc@...il.com>,
        Chris Zankel <chris@...kel.net>, linux-xtensa@...ux-xtensa.org
Subject: [PATCH 4.19 002/293] xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG

From: Randy Dunlap <rdunlap@...radead.org>

commit ed5aacc81cd41efc4d561e14af408d1003f7b855 upstream.

XTENSA should only select HAVE_FUTEX_CMPXCHG when FUTEX is
set/enabled. This prevents a kconfig warning.

WARNING: unmet direct dependencies detected for HAVE_FUTEX_CMPXCHG
  Depends on [n]: FUTEX [=n]
  Selected by [y]:
  - XTENSA [=y] && !MMU [=n]

Fixes: d951ba21b959 ("xtensa: nommu: select HAVE_FUTEX_CMPXCHG")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Max Filippov <jcmvbkbc@...il.com>
Cc: Chris Zankel <chris@...kel.net>
Cc: linux-xtensa@...ux-xtensa.org
Message-Id: <20210526070337.28130-1-rdunlap@...radead.org>
Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 arch/xtensa/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -25,7 +25,7 @@ config XTENSA
 	select HAVE_DMA_CONTIGUOUS
 	select HAVE_EXIT_THREAD
 	select HAVE_FUNCTION_TRACER
-	select HAVE_FUTEX_CMPXCHG if !MMU
+	select HAVE_FUTEX_CMPXCHG if !MMU && FUTEX
 	select HAVE_HW_BREAKPOINT if PERF_EVENTS
 	select HAVE_IRQ_TIME_ACCOUNTING
 	select HAVE_MEMBLOCK