We don't want to invalidate SLC in invalidate_icache_all as we can lose some data from SLC (especially if L1 D$ is disabled) because SLC is shared for data and instructions.
Signed-off-by: Eugeniy Paltsev Eugeniy.Paltsev@synopsys.com --- arch/arc/lib/cache.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arc/lib/cache.c b/arch/arc/lib/cache.c index 4e93ab9..907e9e3 100644 --- a/arch/arc/lib/cache.c +++ b/arch/arc/lib/cache.c @@ -326,8 +326,11 @@ void invalidate_icache_all(void) { __ic_entire_invalidate();
- if (is_isa_arcv2()) - __slc_entire_op(OP_INV); + /* + * We don't to invalidate SLC here as we can lose some data from + * SLC (especially if L1 D$ is disabled) because SLC is shared for + * data and instructions. + */ }
int dcache_status(void)