Messages in this thread | | | Date | Wed, 23 Oct 2019 14:21:33 -0700 (PDT) | Subject | Re: [PATCH v2 09/12] sparc32: use pgtable-nopud instead of 4level-fixup | From | David Miller <> |
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From: Mike Rapoport <rppt@kernel.org> Date: Wed, 23 Oct 2019 22:59:00 +0300
> I've just discovered that I've booted qemu-sparc with the wrong kernel and > this patch crashes miserably :( > > The better version that does allow qemu-sparc to boot with folded page > tables is below: > > > From a90e1d157b7f8786a4276ffc8553f2167c8bc0e7 Mon Sep 17 00:00:00 2001 > From: Mike Rapoport <rppt@linux.ibm.com> > Date: Tue, 1 Oct 2019 17:14:38 +0300 > Subject: [PATCH v2] sparc32: use pgtable-nopud instead of 4level-fixup > > 32-bit version of sparc has three-level page tables and can use > pgtable-nopud and folding of the upper layers. > > Replace usage of include/asm-generic/4level-fixup.h with > include/asm-generic/pgtable-nopud.h and adjust page table manipulation > macros and functions accordingly. > > Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: David S. Miller <davem@davemloft.net>
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