From bca7c20764c83a44c7b8b0831089922d56a3a9a2 Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Fri, 1 Dec 2006 12:14:11 +0900 Subject: [PATCH] sh: Get the PGD right in oops case with 64-bit PTEs. Previously this was using a static pgd shift in the reporting code, simply flip this to PGDIR_SHIFT which does the right thing depending on varying PTE magnitudes on the SH-X2 MMU. While we're at it, and since it's been recently added, use get_TTB() for fetching the TTB, rather than the open coded instructions. Signed-off-by: Paul Mundt --- arch/sh/mm/fault.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c index 123fb80c85..cfeefc10e2 100644 --- a/arch/sh/mm/fault.c +++ b/arch/sh/mm/fault.c @@ -174,11 +174,9 @@ no_context: printk(KERN_ALERT "Unable to handle kernel paging request"); printk(" at virtual address %08lx\n", address); printk(KERN_ALERT "pc = %08lx\n", regs->pc); - asm volatile("mov.l %1, %0" - : "=r" (page) - : "m" (__m(MMU_TTB))); + page = (unsigned long)get_TTB(); if (page) { - page = ((unsigned long *) page)[address >> 22]; + page = ((unsigned long *) page)[address >> PGDIR_SHIFT]; printk(KERN_ALERT "*pde = %08lx\n", page); if (page & _PAGE_PRESENT) { page &= PAGE_MASK; -- 2.39.5