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[MIPS] Ensure that ST0_FR is never set on a 32 bit kernel

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Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Chris Dearman
2007-12-13 22:42:19 +00:00
committed by Ralf Baechle
parent 4037500ebc
commit bbaf238b5f
2 changed files with 4 additions and 5 deletions
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arch/mips/kernel/process.c
+1 -2
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@@ -77,9 +77,8 @@ void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp)
unsigned long status;
/* New thread loses kernel privileges. */
status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|KU_MASK);
status = regs->cp0_status & ~(ST0_CU0|ST0_CU1|ST0_FR|KU_MASK);
#ifdef CONFIG_64BIT
status &= ~ST0_FR;
status |= test_thread_flag(TIF_32BIT_REGS) ? 0 : ST0_FR;
#endif
status |= KU_USER;