linux-kernel - [PATCH 5.11 391/775] powerpc/47x: Disable 256k page size

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Date:   Mon,  1 Mar 2021 17:09:19 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Michael Ellerman <mpe@...erman.id.au>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 391/775] powerpc/47x: Disable 256k page size

From: Christophe Leroy <christophe.leroy@...roup.eu>

[ Upstream commit 910a0cb6d259736a0c86e795d4c2f42af8d0d775 ]

PPC47x_TLBE_SIZE isn't defined for 256k pages, leading to a build
break if 256k pages is selected.

So change the kconfig so that 256k pages can't be selected for 47x.

Fixes: e7f75ad01d59 ("powerpc/47x: Base ppc476 support")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
[mpe: Expand change log to mention build break]
Signed-off-by: Michael Ellerman <mpe@...erman.id.au>
Link: https://lore.kernel.org/r/2fed79b1154c872194f98bac4422c23918325e61.1611128938.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/powerpc/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 107bb4319e0e0..a685e42d39932 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -772,7 +772,7 @@ config PPC_64K_PAGES
 
 config PPC_256K_PAGES
 	bool "256k page size"
-	depends on 44x && !STDBINUTILS
+	depends on 44x && !STDBINUTILS && !PPC_47x
 	help
 	  Make the page size 256k.
 
-- 
2.27.0