From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752058AbeA2XtS (ORCPT ); Mon, 29 Jan 2018 18:49:18 -0500 Received: from mail-lf0-f67.google.com ([209.85.215.67]:42295 "EHLO mail-lf0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751528AbeA2XtR (ORCPT ); Mon, 29 Jan 2018 18:49:17 -0500 X-Google-Smtp-Source: AH8x224cj4qqNpiHJIDT0jc9Mj6maSylndYKOZ3PhefAM4/GuHoB9JjytaY8lZZq/w9SvPT79o/Xwg== From: Anders Roxell To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: linux@armlinux.org.uk, arnd@arndb.de, Anders Roxell Subject: [PATCH] arch/arm/Kconfig: enable ARM_MODULE_PLTS when LOCKDEP=y Date: Tue, 30 Jan 2018 00:49:00 +0100 Message-Id: <20180129234900.11121-1-anders.roxell@linaro.org> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While testing multi_v7_defconfig with LOCKDEP enabled, the kernel fails to load simple modules, as reported by kselftest: [ 34.107620] test_printf: section 4 reloc 2 sym 'memset': relocation 28 out of range (0xbf046044 -> 0xc109f720) selftests: printf.sh [FAIL] The problem that is seen when LOCKDEP is enabled without ARM_MODULE_PLTS, is that LOCKDEP eats so much memory that the top of the kernel gets out of reach from the bottom of the module area. Suggested-by: Arnd Bergmann Signed-off-by: Anders Roxell --- arch/arm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 51c8df561077..a339157497c6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -20,6 +20,7 @@ config ARM select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANT_IPC_PARSE_VERSION + select ARM_MODULE_PLTS if LOCKDEP select BUILDTIME_EXTABLE_SORT if MMU select CLONE_BACKWARDS select CPU_PM if (SUSPEND || CPU_IDLE) -- 2.11.0