From: Arnd Bergmann <arnd@kernel.org> To: Russell King <linux@armlinux.org.uk> Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Ard Biesheuvel <ardb@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Nathan Chancellor <nathan@kernel.org>, Nick Desaulniers <ndesaulniers@google.com>, llvm@lists.linux.dev Subject: [PATCH 10/14] ARM: only warn about XIP address when not compile testing Date: Tue, 28 Sep 2021 17:41:39 +0200 [thread overview] Message-ID: <20210928154143.2106903-11-arnd@kernel.org> (raw) In-Reply-To: <20210928154143.2106903-1-arnd@kernel.org> From: Arnd Bergmann <arnd@arndb.de> In randconfig builds, we sometimes come across this warning: arm-linux-gnueabi-ld: XIP start address may cause MPU programming issues While this is helpful for actual systems to figure out why it fails, the warning does not provide any benefit for build testing, so guard it in a check for CONFIG_COMPILE_TEST, which is usually set on randconfig builds. Fixes: 216218308cfb ("ARM: 8713/1: NOMMU: Support MPU in XIP configuration") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/kernel/vmlinux-xip.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index bf16fadb6a00..76678732c60d 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -178,7 +178,7 @@ ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") ASSERT((_end - __bss_start) >= 12288, ".bss too small for CONFIG_XIP_DEFLATED_DATA") #endif -#ifdef CONFIG_ARM_MPU +#if defined(CONFIG_ARM_MPU) && !defined(CONFIG_COMPILE_TEST) /* * Due to PMSAv7 restriction on base address and size we have to * enforce minimal alignment restrictions. It was seen that weaker -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@kernel.org> To: Russell King <linux@armlinux.org.uk> Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Ard Biesheuvel <ardb@kernel.org>, Linus Walleij <linus.walleij@linaro.org>, Nathan Chancellor <nathan@kernel.org>, Nick Desaulniers <ndesaulniers@google.com>, llvm@lists.linux.dev Subject: [PATCH 10/14] ARM: only warn about XIP address when not compile testing Date: Tue, 28 Sep 2021 17:41:39 +0200 [thread overview] Message-ID: <20210928154143.2106903-11-arnd@kernel.org> (raw) In-Reply-To: <20210928154143.2106903-1-arnd@kernel.org> From: Arnd Bergmann <arnd@arndb.de> In randconfig builds, we sometimes come across this warning: arm-linux-gnueabi-ld: XIP start address may cause MPU programming issues While this is helpful for actual systems to figure out why it fails, the warning does not provide any benefit for build testing, so guard it in a check for CONFIG_COMPILE_TEST, which is usually set on randconfig builds. Fixes: 216218308cfb ("ARM: 8713/1: NOMMU: Support MPU in XIP configuration") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- arch/arm/kernel/vmlinux-xip.lds.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/vmlinux-xip.lds.S b/arch/arm/kernel/vmlinux-xip.lds.S index bf16fadb6a00..76678732c60d 100644 --- a/arch/arm/kernel/vmlinux-xip.lds.S +++ b/arch/arm/kernel/vmlinux-xip.lds.S @@ -178,7 +178,7 @@ ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined") ASSERT((_end - __bss_start) >= 12288, ".bss too small for CONFIG_XIP_DEFLATED_DATA") #endif -#ifdef CONFIG_ARM_MPU +#if defined(CONFIG_ARM_MPU) && !defined(CONFIG_COMPILE_TEST) /* * Due to PMSAv7 restriction on base address and size we have to * enforce minimal alignment restrictions. It was seen that weaker -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-09-28 15:42 UTC|newest] Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-09-28 15:41 [PATCH 00/14] ARM: randconfig build fixes Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 01/14] ARM: RiscPC needs older gcc version Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 16:03 ` Arnd Bergmann 2021-09-28 16:03 ` Arnd Bergmann 2021-09-28 16:03 ` Arnd Bergmann 2021-09-29 8:45 ` Arnd Bergmann 2021-09-29 8:45 ` Arnd Bergmann 2021-09-29 8:45 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 02/14] ARM: patch: fix BE32 compilation Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 21:33 ` Linus Walleij 2021-09-28 21:33 ` Linus Walleij 2021-09-28 21:33 ` Linus Walleij 2021-09-28 15:41 ` [PATCH 03/14] ARM: remove duplicate memcpy() definition Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 21:39 ` Linus Walleij 2021-09-28 21:39 ` Linus Walleij 2021-09-28 21:39 ` Linus Walleij 2021-09-28 15:41 ` [PATCH 04/14] ARM: kprobes: address gcc -Wempty-body warning Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 05/14] ARM: ARMv7-M uses BE-8, not BE-32 Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 06/14] ARM: disallow CONFIG_THUMB with ARMv4 Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-29 18:52 ` Nick Desaulniers 2021-09-29 18:52 ` Nick Desaulniers 2021-09-29 18:52 ` Nick Desaulniers 2021-10-06 16:01 ` Ard Biesheuvel 2021-10-06 16:01 ` Ard Biesheuvel 2021-09-28 15:41 ` [PATCH 07/14] ARM: fix link warning with XIP + frame-pointer Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 08/14] ARM: kprobes: fix arch_init_kprobes() prototype Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 09/14] ARM: allow compile-testing without machine record Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann [this message] 2021-09-28 15:41 ` [PATCH 10/14] ARM: only warn about XIP address when not compile testing Arnd Bergmann 2021-09-28 15:41 ` [PATCH 11/14] ARM: kasan: work around LPAE build warning Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 15:41 ` [PATCH 12/14] ARM: add CONFIG_PHYS_OFFSET default values Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 16:02 ` Nicolas Pitre 2021-09-28 16:02 ` Nicolas Pitre 2021-09-28 16:02 ` Nicolas Pitre 2021-09-28 21:44 ` Linus Walleij 2021-09-28 21:44 ` Linus Walleij 2021-09-28 21:44 ` Linus Walleij 2021-09-28 15:41 ` [PATCH 13/14] ARM: use .arch directives instead of assembler command line flags Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 17:10 ` Nick Desaulniers 2021-09-28 17:10 ` Nick Desaulniers 2021-09-28 17:10 ` Nick Desaulniers 2021-09-28 18:32 ` Arnd Bergmann 2021-09-28 18:32 ` Arnd Bergmann 2021-09-28 18:32 ` Arnd Bergmann 2021-09-29 18:11 ` Nick Desaulniers 2021-09-29 18:11 ` Nick Desaulniers 2021-09-29 18:11 ` Nick Desaulniers 2022-01-21 22:17 ` Nathan Chancellor 2022-01-21 22:17 ` Nathan Chancellor 2021-09-28 15:41 ` [PATCH 14/14] [RFC] ARM: forbid ftrace with clang and thumb2_kernel Arnd Bergmann 2021-09-28 15:41 ` Arnd Bergmann 2021-09-28 17:20 ` Nick Desaulniers 2021-09-28 17:20 ` Nick Desaulniers 2021-09-28 17:20 ` Nick Desaulniers
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