Re: Reduce function call costs on ELF platforms - Mailing list pgsql-hackers

From Peter Eisentraut
Subject Re: Reduce function call costs on ELF platforms
Date
Msg-id 2ff2077a-72ab-c40f-b772-e21669a0fe1f@enterprisedb.com
Whole thread Raw
In response to Re: Reduce function call costs on ELF platforms  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Reduce function call costs on ELF platforms
List pgsql-hackers
On 22.11.21 23:32, Tom Lane wrote:
>> The easier approach for this class of issues is to use the linker option
>> -Bsymbolic.
> I don't recall details, but we've previously rejected the idea of
> trying to use -Bsymbolic widely; apparently it has undesirable
> side-effects on some platforms.  See commit message for e3d77ea6b
> (hopefully there's some detail in the email thread [1]).  It sounds
> like you're not actually proposing that, but I thought it would be
> a good idea to note the hazard here.

Also, IIRC, -Bsymbolic was once frowned upon by packaging policies, 
since it prevents use of LD_PRELOAD.  I'm not sure what the current 
thinking there is, however.



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