On Mon, Mar 01, 2021 at 10:02:06AM +0530, 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 <[email protected]> > Cc: Catalin Marinas <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Thomas Bogendoerfer <[email protected]> > Cc: Michael Ellerman <[email protected]> > Cc: Benjamin Herrenschmidt <[email protected]> > Cc: Paul Mackerras <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: Chris Zankel <[email protected]> > Cc: Max Filippov <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Reviewed-by: Max Filippov <[email protected]> > Signed-off-by: Anshuman Khandual <[email protected]>
For arm64: Acked-by: Catalin Marinas <[email protected]>
