Messages in this thread | | | Date | Mon, 08 Dec 2014 11:47:00 +0100 | From | Alexander Graf <> | Subject | Re: [PATCH] arm64: Enable CONFIG_COMPAT also for 64k page size |
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On 08.12.14 11:10, Will Deacon wrote: > On Sat, Dec 06, 2014 at 05:23:59PM +0000, Alexander Graf wrote: >> On 04.12.14 19:20, Will Deacon wrote: >>> 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. >> >> So how much of a distro do you need? I could probably assemble a simple >> very minimalistic rootfs with only bash if that helps. > > I'd like to run LTP, so I'd probably need slightly more than that but I > certainly don't need the whole world.
Let me check with a few folks what we can easily assemble :).
Alex
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