ar.k[56] used to contain physical addresses but now contain virtual addresses. There are code remnants which still believe that they are physical and "convert" ar.k[56] to virtual. This breaks when current is not in region 7 (e.g. the idle task on cpu 0). Signed-off-by: Keith Owens <kaos@sgi.com> Index: linux/arch/ia64/kernel/minstate.h =================================================================== --- linux.orig/arch/ia64/kernel/minstate.h Thu Sep 16 12:25:31 2004 +++ linux/arch/ia64/kernel/minstate.h Thu Sep 16 15:05:22 2004 @@ -54,8 +54,6 @@ (pUStk) mov ar.rsc=0x3; /* set eager mode, pl 0, little-endian, loadrs=0 */ \ #define MINSTATE_END_SAVE_MIN_PHYS \ - or r12=r12,r14; /* make sp a kernel virtual address */ \ - or r13=r13,r14; /* make `current' a kernel virtual address */ \ ;; #ifdef MINSTATE_VIRT @@ -172,7 +170,6 @@ ;; \ .mem.offset 0,0; st8.spill [r16]=r15,16; \ .mem.offset 8,0; st8.spill [r17]=r14,16; \ - dep r14=-1,r0,61,3; \ ;; \ .mem.offset 0,0; st8.spill [r16]=r2,16; \ .mem.offset 8,0; st8.spill [r17]=r3,16; \ Index: linux/include/asm-ia64/mca_asm.h =================================================================== --- linux.orig/include/asm-ia64/mca_asm.h Sat Aug 14 15:37:55 2004 +++ linux/include/asm-ia64/mca_asm.h Thu Sep 16 14:38:26 2004 @@ -162,9 +162,6 @@ ;; \ srlz.d; \ mov r13 = ar.k6; \ - ;; \ - DATA_PA_TO_VA(r13,temp1); \ - ;; \ mov temp2 = ar.bspstore; \ ;; \ DATA_PA_TO_VA(temp2,temp1); \ - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Thu Sep 16 02:22:03 2004
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