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SubjectRe: [PATCH] Move most arches to asm-generic/current.h
On Mon, Apr 30, 2012 at 1:07 PM, Stephen Boyd <sboyd@codeaurora.org> wrote:
> On 04/30/12 09:38, Arnd Bergmann wrote:
>
>> On Monday 30 April 2012, Stephen Boyd wrote:
>>> I admit I haven't compile tested this on all the affected architectures.
>>> Looking at the architectures that are migrated here I don't see any that
>>> are defining get_current() as a macro except for alpha. Should I drop
>>> alpha from the patch? Or would it be easier if someone threw this into
>>> linux-next and see if it blows up?
>>>
>>> In the meantime I can scrounge around for those kernel.org
>>> cross-compilers and see if I can compile alpha.
>> I'd say either get an Ack from the Alpha maintainers or drop that
>> hunk from your patch.
>>
>
> Ok. Alpha maintainers, do you see any problem with a static inline
> function for get_current() instead of the current macro? My compile of
> alpha with the kernel.org 4.6.3 compilers doesn't show any new build
> failures than what is already there:
>
>  LD      .tmp_vmlinux1
> drivers/built-in.o: In function `ide_set_disk_chs':
> drivers/ide/ide.c:269:(.text+0x732a8): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide.c:269:(.text+0x732b0): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide.c:267:(.text+0x73310): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide.c:267:(.text+0x73318): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/built-in.o: In function `ide_dev_apply_params':
> drivers/ide/ide.c:299:(.text+0x73714): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide.c:303:(.text+0x73724): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide.c:308:(.text+0x73734): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide.c:315:(.text+0x73744): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/built-in.o: In function `unexpected_intr':
> drivers/ide/ide-io.c:734:(.text+0x74dfc): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide-io.c:736:(.text+0x74e00): relocation truncated to fit: GPREL16 against `.sbss'
> drivers/ide/ide-io.c:734:(.text+0x74e10): additional relocation overflows omitted from the output
> make[1]: *** [.tmp_vmlinux1] Error 1
> make: *** [sub-make] Error 2

I'll take a look later this week.

The relocation truncated to fit: GPREL16 against ... error is caused
by the kernel being too large and compiling with -msmall-data. We've
really got to do something about this -- this happens way too often to
way too many people.

Matt
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