Re: #pragma GCC warnings (was: Re: [PATCH] crypto: drbg - use pragmas for disabling optimization)

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On Tue, Jun 23, 2015 at 11:17:23AM +0200, Geert Uytterhoeven wrote:
> 
> I get that too with m68k-linux-gcc-4.6.3 and m68k-linux-gcc-4.9.0.
> 
> With m68k-linux-gnu-gcc-4.1, which is still my default cross-compiler due
> to the good unused warning reporting, I get:
> 
> crypto/jitterentropy.c:235: warning: ignoring #pragma GCC push_options
> crypto/jitterentropy.c:236: warning: ignoring #pragma GCC optimize
> crypto/jitterentropy.c:266: warning: ignoring #pragma GCC pop_options
> crypto/jitterentropy.c:295: warning: ignoring #pragma GCC push_options
> crypto/jitterentropy.c:296: warning: ignoring #pragma GCC optimize
> crypto/jitterentropy.c:336: warning: ignoring #pragma GCC pop_options
> crypto/jitterentropy.c:385: warning: ignoring #pragma GCC push_options
> crypto/jitterentropy.c:386: warning: ignoring #pragma GCC optimize
> crypto/jitterentropy.c:416: warning: ignoring #pragma GCC pop_options
> crypto/jitterentropy.c:517: warning: ignoring #pragma GCC push_options
> crypto/jitterentropy.c:518: warning: ignoring #pragma GCC optimize
> crypto/jitterentropy.c:580: warning: ignoring #pragma GCC pop_options

Stephan, could you look into moving the relevant functions into
its own file which can then be compiled with -O0? Obviously any
dependency on kernel header files would have to be hidden using
functions outside of this file.

Thanks,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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