Hi, A mtc0 is missing in entry.S to disable interrupts while doing ret_from_irq, ret_from_exception and resume_userspace. Vivien. Index: arch/mips64/kernel/entry.S =================================================================== RCS file: /home/cvs/linux/arch/mips64/kernel/entry.S,v retrieving revision 1.23 diff -u -r1.23 entry.S --- arch/mips64/kernel/entry.S 9 Jan 2003 19:25:15 -0000 1.23 +++ arch/mips64/kernel/entry.S 4 Feb 2003 20:59:33 -0000 @@ -29,6 +29,7 @@ mfc0 t0, CP0_STATUS # make sure need_resched and ori t0, t0, 1 # signals dont change between xori t0, t0, 1 # sampling and return + mtc0 t0, CP0_STATUS SSNOP; SSNOP; SSNOP LONG_L a2, TI_FLAGS($28)
