Linux/mips compile: [Fwd: Bug#139003: a little bit more is needed...]
От | Oliver Elphick |
---|---|
Тема | Linux/mips compile: [Fwd: Bug#139003: a little bit more is needed...] |
Дата | |
Msg-id | 1017222365.1228.274.camel@linda обсуждение исходный текст |
Ответы |
Re: Linux/mips compile: [Fwd: Bug#139003: a little bit more
Re: Linux/mips compile: [Fwd: Bug#139003: a little bit more |
Список | pgsql-hackers |
-----Forwarded Message----- From: rmurray@debian.org To: 139003@bugs.debian.org Cc: control@bugs.debian.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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