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authorChristoph Hellwig <hch@lst.de>2018-01-09 15:00:32 +0100
committerPalmer Dabbelt <palmer@dabbelt.com>2018-01-30 19:16:12 -0800
commit7549cdf59d9fafbaab42650375c29c64c16aa270 (patch)
tree1fca5e4c7891c3af0ca8991b97ce77ceb55358b7 /arch/riscv/mm/fault.c
parent372def1f934134cb391234ccdf23c21ae94343c2 (diff)
downloadlinux-7549cdf59d9fafbaab42650375c29c64c16aa270.tar.bz2
riscv: rename sptbr to satp
satp is the name used by the current privileged spec 1.10, use it instead of the old name. The most recent release binutils release (2.29) doesn't know about the satp name yet, so stick to the name from the previous privileged ISA release and comment on the fact. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv/mm/fault.c')
-rw-r--r--arch/riscv/mm/fault.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 0713f3c67ab4..06c5621970ae 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -239,6 +239,10 @@ vmalloc_fault:
* Do _not_ use "tsk->active_mm->pgd" here.
* We might be inside an interrupt in the middle
* of a task switch.
+ *
+ * Note: Use the old spbtr name instead of using the current
+ * satp name to support binutils 2.29 which doesn't know about
+ * the privileged ISA 1.10 yet.
*/
index = pgd_index(addr);
pgd = (pgd_t *)pfn_to_virt(csr_read(sptbr)) + index;