Messages in this thread Patch in this message | | | Date | Thu, 4 Dec 2014 18:20:49 +0000 | From | Will Deacon <> | Subject | Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size |
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On Thu, Dec 04, 2014 at 03:46:33PM +0000, Alexander Graf wrote: > With binutils 2.25 the default alignment for 32bit arm sections changed to > have everything 64k aligned. Armv7 binaries built with this binutils version > run successfully on an arm64 system. > > Since effectively there is now the chance to run armv7 code on arm64 even > with 64k page size, it doesn't make sense to block people from enabling > CONFIG_COMPAT on those configurations.
Is there a distro available that is built with a recent enough binutils for this? I'd really like to run our regression tests to check that page-size assumptions don't exist for things like shm.
Will
> > Signed-off-by: Alexander Graf <agraf@suse.de> > --- > arch/arm64/Kconfig | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 9532f8d..3cf4f238 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -409,7 +409,6 @@ source "fs/Kconfig.binfmt" > > config COMPAT > bool "Kernel support for 32-bit EL0" > - depends on !ARM64_64K_PAGES > select COMPAT_BINFMT_ELF > select HAVE_UID16 > select OLD_SIGSUSPEND3 > -- > 1.7.12.4 > >
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