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Thu, 19 Sep 2024 04:57:48 -0400 X-MC-Unique: PHncvciHNp20_laqddd98Q-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4E13C1956083; Thu, 19 Sep 2024 08:57:46 +0000 (UTC) Received: from localhost (unknown [10.45.226.3]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 5F9C819560AA; Thu, 19 Sep 2024 08:57:44 +0000 (UTC) Date: Thu, 19 Sep 2024 10:57:41 +0200 From: Baoquan He To: Dave Vasilevsky Cc: akpm@linux-foundation.org, glaubitz@physik.fu-berlin.de, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, mpe@ellerman.id.au, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, ebiederm@xmission.com, Reimar =?iso-8859-1?Q?D=F6ffinger?= Subject: Re: [PATCH v2] crash, powerpc: Default to CRASH_DUMP=n on PPC_BOOK3S_32 Message-ID: References: <20240917163720.1644584-1-dave@vasilevsky.ca> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240917163720.1644584-1-dave@vasilevsky.ca> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 On 09/17/24 at 12:37pm, Dave Vasilevsky wrote: > Fixes boot failures on 6.9 on PPC_BOOK3S_32 machines using > Open Firmware. On these machines, the kernel refuses to boot > from non-zero PHYSICAL_START, which occurs when CRASH_DUMP is on. > > Since most PPC_BOOK3S_32 machines boot via Open Firmware, it should > default to off for them. Users booting via some other mechanism > can still turn it on explicitly. > > Does not change the default on any other architectures for the > time being. > > Signed-off-by: Dave Vasilevsky > Reported-by: Reimar Döffinger > Closes: https://lists.debian.org/debian-powerpc/2024/07/msg00001.html > Fixes: 75bc255a7444 ("crash: clean up kdump related config items") > --- > arch/arm/Kconfig | 3 +++ > arch/arm64/Kconfig | 3 +++ > arch/loongarch/Kconfig | 3 +++ > arch/mips/Kconfig | 3 +++ > arch/powerpc/Kconfig | 4 ++++ > arch/riscv/Kconfig | 3 +++ > arch/s390/Kconfig | 3 +++ > arch/sh/Kconfig | 3 +++ > arch/x86/Kconfig | 3 +++ > kernel/Kconfig.kexec | 2 +- > 10 files changed, 29 insertions(+), 1 deletion(-) Thanks for the effort. Acked-by: Baoquan He > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 0ec034933cae..4cc31467298b 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -1598,6 +1598,9 @@ config ATAGS_PROC > config ARCH_SUPPORTS_CRASH_DUMP > def_bool y > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config AUTO_ZRELADDR > bool "Auto calculation of the decompressed kernel image address" if !ARCH_MULTIPLATFORM > default !(ARCH_FOOTBRIDGE || ARCH_RPC || ARCH_SA1100) > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index ed15b876fa74..8c67b76347d3 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -1559,6 +1559,9 @@ config ARCH_DEFAULT_KEXEC_IMAGE_VERIFY_SIG > config ARCH_SUPPORTS_CRASH_DUMP > def_bool y > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION > def_bool CRASH_RESERVE > > diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig > index 0e3abf7b0bd3..7ba3baee859e 100644 > --- a/arch/loongarch/Kconfig > +++ b/arch/loongarch/Kconfig > @@ -600,6 +600,9 @@ config ARCH_SUPPORTS_KEXEC > config ARCH_SUPPORTS_CRASH_DUMP > def_bool y > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config ARCH_SELECTS_CRASH_DUMP > def_bool y > depends on CRASH_DUMP > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 60077e576935..b547f4304d0c 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -2881,6 +2881,9 @@ config ARCH_SUPPORTS_KEXEC > config ARCH_SUPPORTS_CRASH_DUMP > def_bool y > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config PHYSICAL_START > hex "Physical address where the kernel is loaded" > default "0xffffffff84000000" > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 8a4ee57cd4ef..c04f7bb543cc 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -682,6 +682,10 @@ config RELOCATABLE_TEST > config ARCH_SUPPORTS_CRASH_DUMP > def_bool PPC64 || PPC_BOOK3S_32 || PPC_85xx || (44x && !SMP) > > +config ARCH_DEFAULT_CRASH_DUMP > + bool > + default y if !PPC_BOOK3S_32 > + > config ARCH_SELECTS_CRASH_DUMP > def_bool y > depends on CRASH_DUMP > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > index 86d1f1cea571..341ef759870a 100644 > --- a/arch/riscv/Kconfig > +++ b/arch/riscv/Kconfig > @@ -882,6 +882,9 @@ config ARCH_SUPPORTS_KEXEC_PURGATORY > config ARCH_SUPPORTS_CRASH_DUMP > def_bool y > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION > def_bool CRASH_RESERVE > > diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig > index c60e699e99f5..fff371b89e41 100644 > --- a/arch/s390/Kconfig > +++ b/arch/s390/Kconfig > @@ -275,6 +275,9 @@ config ARCH_SUPPORTS_CRASH_DUMP > This option also enables s390 zfcpdump. > See also > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > menu "Processor type and features" > > config HAVE_MARCH_Z10_FEATURES > diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig > index e9103998cca9..04ff5fb9242e 100644 > --- a/arch/sh/Kconfig > +++ b/arch/sh/Kconfig > @@ -550,6 +550,9 @@ config ARCH_SUPPORTS_KEXEC > config ARCH_SUPPORTS_CRASH_DUMP > def_bool BROKEN_ON_SMP > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config ARCH_SUPPORTS_KEXEC_JUMP > def_bool y > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index d1fe732979d4..7f39db779574 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -2092,6 +2092,9 @@ config ARCH_SUPPORTS_KEXEC_JUMP > config ARCH_SUPPORTS_CRASH_DUMP > def_bool X86_64 || (X86_32 && HIGHMEM) > > +config ARCH_DEFAULT_CRASH_DUMP > + def_bool y > + > config ARCH_SUPPORTS_CRASH_HOTPLUG > def_bool y > > diff --git a/kernel/Kconfig.kexec b/kernel/Kconfig.kexec > index 6c34e63c88ff..4d111f871951 100644 > --- a/kernel/Kconfig.kexec > +++ b/kernel/Kconfig.kexec > @@ -97,7 +97,7 @@ config KEXEC_JUMP > > config CRASH_DUMP > bool "kernel crash dumps" > - default y > + default ARCH_DEFAULT_CRASH_DUMP > depends on ARCH_SUPPORTS_CRASH_DUMP > depends on KEXEC_CORE > select VMCORE_INFO > -- > 2.43.0 >