Messages in this thread | | | Subject | Re: [PATCH V2] mm/memtest: Add ARCH_USE_MEMTEST | From | Anshuman Khandual <> | Date | Wed, 10 Mar 2021 11:33:34 +0530 |
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On 3/1/21 10:02 AM, Anshuman Khandual wrote: > early_memtest() does not get called from all architectures. Hence enabling > CONFIG_MEMTEST and providing a valid memtest=[1..N] kernel command line > option might not trigger the memory pattern tests as would be expected in > normal circumstances. This situation is misleading. > > The change here prevents the above mentioned problem after introducing a > new config option ARCH_USE_MEMTEST that should be subscribed on platforms > that call early_memtest(), in order to enable the config CONFIG_MEMTEST. > Conversely CONFIG_MEMTEST cannot be enabled on platforms where it would > not be tested anyway. > > Cc: Russell King <linux@armlinux.org.uk> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Will Deacon <will@kernel.org> > Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> > Cc: Michael Ellerman <mpe@ellerman.id.au> > Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> > Cc: Paul Mackerras <paulus@samba.org> > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Chris Zankel <chris@zankel.net> > Cc: Max Filippov <jcmvbkbc@gmail.com> > Cc: linux-arm-kernel@lists.infradead.org > Cc: linux-mips@vger.kernel.org > Cc: linuxppc-dev@lists.ozlabs.org > Cc: linux-xtensa@linux-xtensa.org > Cc: linux-mm@kvack.org > Cc: linux-kernel@vger.kernel.org > Reviewed-by: Max Filippov <jcmvbkbc@gmail.com> > Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> > --- > This patch applies on v5.12-rc1 and has been tested on arm64 platform. > But it has been just build tested on all other platforms. > > Changes in V2: > > - Added ARCH_USE_MEMTEST in the sorted alphabetical order on platforms
Gentle ping, any updates or objections ?
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