Re: Linux/mips compile: [Fwd: Bug#139003: a little bit more

Your patch has been added to the PostgreSQL unapplied patches list at:

http://candle.pha.pa.us/cgi-bin/pgpatches

I will try to apply it within the next 48 hours.

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Oliver Elphick wrote:

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> -----Forwarded Message-----
>
> From: rmurray(at)debian(dot)org
> To: 139003(at)bugs(dot)debian(dot)org
> Cc: control(at)bugs(dot)debian(dot)org
> Subject: Bug#139003: a little bit more is needed...
> Date: 27 Mar 2002 00:21:18 -0800
>
> reopen 139003
> thanks
>
> Looks like a small patch is needed as well to do the right thing on Linux.
>
> The patch enables the mips2 ISA for the ll/sc operations, and then restores
> it when done. The kernel/libc emulation code will take over on CPUs without
> ll/sc, and on CPUs with it, it'll use the operations provided by the CPU.
>
> Combined with the earlier fix (removing -mips2), postgresql builds again on
> mips and mipsel. The patch is against 7.2-7.
>
> diff -urN postgresql-7.2/src/backend/storage/lmgr/s_lock.c postgresql-7.2.fixed/src/backend/storage/lmgr/s_lock.c
> --- postgresql-7.2/src/backend/storage/lmgr/s_lock.c Mon Nov 5 18:46:28 2001
> +++ postgresql-7.2.fixed/src/backend/storage/lmgr/s_lock.c Wed Mar 27 07:46:59 2002
> @@ -173,9 +173,12 @@
> .global tas \n\
> tas: \n\
> .frame $sp, 0, $31 \n\
> + .set push \n\
> + .set mips2 \n\n
> ll $14, 0($4) \n\
> or $15, $14, 1 \n\
> sc $15, 0($4) \n\
> + .set pop \n\
> beq $15, 0, fail\n\
> bne $14, 0, fail\n\
> li $2, 0 \n\
>
>
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