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authorShihPo Hung <shihpo.hung@sifive.com>2019-06-18 17:39:15 +0800
committerPaul Walmsley <paul.walmsley@sifive.com>2019-06-26 15:10:30 -0700
commit0db7f5cd4aeba4cc63d0068598b3350eba8bb4cd (patch)
treef8e41ececf51961446756ab84ee9f4cc41ee1df4 /arch/riscv/mm
parente3f9dada0abe1864bf467e84d201144eddb9ef88 (diff)
downloadlinux-0db7f5cd4aeba4cc63d0068598b3350eba8bb4cd.tar.gz
riscv: mm: Fix code comment
Fix the comment since vmalloc_fault doesn't reach
flush_tlb_fix_spurious_fault.

Signed-off-by: ShihPo Hung <shihpo.hung@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: linux-riscv@lists.infradead.org
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Diffstat (limited to 'arch/riscv/mm')
-rw-r--r--arch/riscv/mm/fault.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 3e2708c626a8..f960c3f4ce47 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -272,9 +272,6 @@ vmalloc_fault:
 		 * entries, but in RISC-V, SFENCE.VMA specifies an
 		 * ordering constraint, not a cache flush; it is
 		 * necessary even after writing invalid entries.
-		 * Relying on flush_tlb_fix_spurious_fault would
-		 * suffice, but the extra traps reduce
-		 * performance. So, eagerly SFENCE.VMA.
 		 */
 		local_flush_tlb_page(addr);