Re: e2fsprogs alignment

[Gordan Bobic <gordan@xxxxxxxxxx>]

2.6 kernels don't have fixups defaulting to on.

And it's a lot more expensive.

Just because there is an expensive workaround doesn't mean it's not a bug. And arguably even with hardware fixup it's still a bug and appallingly bad practice.

Let's not sweep this under the carpet, especially in something as critical as e2fsprogs.

Gordan

Chris Tyler <chris@xxxxxxxxxxx> wrote:

>On Mon, 2012-07-09 at 16:23 +0100, Gordan Bobic wrote:
>> This issue also affects SPARC and Itanium, IIRC, likely a lot of others, 
>> too. It's only x86 and ARMv7+ that  have transparent automatic alignment 
>> fixup in hardware.
>
>On ARM <v7, there are software fixups via trap, which is basically the
>same as the hardware fixups but with a lot higher cost. For quite a few
>kernel releases, fixups have defaulted to ON. Are we sure there's still
>an issue here?
>
>-Chris
>
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