Re: [Keyrings] [PATCH 2/2] MPILIB: Deobfuscate mpi_cmp
correct. Acked-by: Dmitry Kasatkin Dmitry On 12 January 2015 at 13:43, David Howells wrote: > Dmitry Kasatkin wrote: > >> Ack. > > To what email address do I translate that now? > > Acked-by: Dmitry Kasatkin > > perchance? > > David -- Thanks, Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [Keyrings] [PATCH 2/2] MPILIB: Deobfuscate mpi_cmp
Dmitry Kasatkin wrote: > Ack. To what email address do I translate that now? Acked-by: Dmitry Kasatkin perchance? David -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [Keyrings] [PATCH 2/2] MPILIB: Deobfuscate mpi_cmp
Dmitry Kasatkin dmitry.kasat...@gmail.com wrote: Ack. To what email address do I translate that now? Acked-by: Dmitry Kasatkin dmitry.kasat...@gmail.com perchance? David -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [Keyrings] [PATCH 2/2] MPILIB: Deobfuscate mpi_cmp
correct. Acked-by: Dmitry Kasatkin dmitry.kasat...@gmail.com Dmitry On 12 January 2015 at 13:43, David Howells dhowe...@redhat.com wrote: Dmitry Kasatkin dmitry.kasat...@gmail.com wrote: Ack. To what email address do I translate that now? Acked-by: Dmitry Kasatkin dmitry.kasat...@gmail.com perchance? David -- Thanks, Dmitry -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [Keyrings] [PATCH 2/2] MPILIB: Deobfuscate mpi_cmp
Hi,
Thank you. Indeed '-cmp' is much more clear.
Ack.
- Dmitry
On 9 January 2015 at 13:00, David Howells wrote:
> This looks very reasonable. cc'ing Dmitry for his check.
>
> David
> ---
> Rasmus Villemoes wrote:
>
>> The condition preceding 'return 1;' makes my head hurt. At this point,
>> we know that u and v have the same sign; if they are negative, they
>> compare opposite to how their absolute values compare (which
>> mpihelp_cmp found for us), otherwise cmp itself is the
>> answer. Negating cmp is ok since mpihelp_cmp returns {-1,0,1};
>> -INT_MIN==INT_MIN won't bite us.
>>
>> Signed-off-by: Rasmus Villemoes
>> ---
>> lib/mpi/mpi-cmp.c | 8 +++-
>> 1 file changed, 3 insertions(+), 5 deletions(-)
>>
>> diff --git a/lib/mpi/mpi-cmp.c b/lib/mpi/mpi-cmp.c
>> index 3801694240d8..d25e9e96c310 100644
>> --- a/lib/mpi/mpi-cmp.c
>> +++ b/lib/mpi/mpi-cmp.c
>> @@ -61,10 +61,8 @@ int mpi_cmp(MPI u, MPI v)
>> if (!usize)
>> return 0;
>> cmp = mpihelp_cmp(u->d, v->d, usize);
>> - if (!cmp)
>> - return 0;
>> - if ((cmp < 0 ? 1 : 0) == (u->sign ? 1 : 0))
>> - return 1;
>> - return -1;
>> + if (u->sign)
>> + return -cmp;
>> + return cmp;
>> }
>> EXPORT_SYMBOL_GPL(mpi_cmp);
>> --
>> 2.1.3
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Thanks,
Dmitry
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Re: [Keyrings] [PATCH 2/2] MPILIB: Deobfuscate mpi_cmp
Hi,
Thank you. Indeed '-cmp' is much more clear.
Ack.
- Dmitry
On 9 January 2015 at 13:00, David Howells dhowe...@redhat.com wrote:
This looks very reasonable. cc'ing Dmitry for his check.
David
---
Rasmus Villemoes li...@rasmusvillemoes.dk wrote:
The condition preceding 'return 1;' makes my head hurt. At this point,
we know that u and v have the same sign; if they are negative, they
compare opposite to how their absolute values compare (which
mpihelp_cmp found for us), otherwise cmp itself is the
answer. Negating cmp is ok since mpihelp_cmp returns {-1,0,1};
-INT_MIN==INT_MIN won't bite us.
Signed-off-by: Rasmus Villemoes li...@rasmusvillemoes.dk
---
lib/mpi/mpi-cmp.c | 8 +++-
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/lib/mpi/mpi-cmp.c b/lib/mpi/mpi-cmp.c
index 3801694240d8..d25e9e96c310 100644
--- a/lib/mpi/mpi-cmp.c
+++ b/lib/mpi/mpi-cmp.c
@@ -61,10 +61,8 @@ int mpi_cmp(MPI u, MPI v)
if (!usize)
return 0;
cmp = mpihelp_cmp(u-d, v-d, usize);
- if (!cmp)
- return 0;
- if ((cmp 0 ? 1 : 0) == (u-sign ? 1 : 0))
- return 1;
- return -1;
+ if (u-sign)
+ return -cmp;
+ return cmp;
}
EXPORT_SYMBOL_GPL(mpi_cmp);
--
2.1.3
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Thanks,
Dmitry
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