Thanks for the respin. I will take this version and put it in linux next to see if any issues come up.
-Stafford On Sat, Mar 29, 2025 at 03:16:19PM +0530, Sahil Siddiq wrote: > Hi, > > The main purpose of this series is to expose CPU cache attributes for > OpenRISC in sysfs using the cacheinfo API. The core implementation > to achieve this is in patch #3. Patch #1 and #2 add certain enhancements > to simplify the implementation of cacheinfo support. > > Patch #1 removes duplication of cache-related data members in struct > cpuinfo_or1k. > > Patch #2 introduces several utility functions. One set of functions is > used to check if the cache components and SPRs exist before attempting > to use them. The other set provides a convenient interface to flush or > invalidate a range of cache blocks. > > While testing these changes with QEMU, I realized that the check being > performed in cpu_cache_is_present() would always get evaluated to true > when the UPR_UP bit was set. This series fixes this check and addresses > v4's review comments. > > Thanks, > Sahil > > Sahil Siddiq (3): > openrisc: Refactor struct cpuinfo_or1k to reduce duplication > openrisc: Introduce new utility functions to flush and invalidate > caches > openrisc: Add cacheinfo support > > arch/openrisc/include/asm/cacheflush.h | 17 ++++ > arch/openrisc/include/asm/cpuinfo.h | 24 ++++-- > arch/openrisc/kernel/Makefile | 2 +- > arch/openrisc/kernel/cacheinfo.c | 104 +++++++++++++++++++++++++ > arch/openrisc/kernel/dma.c | 18 +---- > arch/openrisc/kernel/setup.c | 45 +---------- > arch/openrisc/mm/cache.c | 56 ++++++++++--- > arch/openrisc/mm/init.c | 5 +- > 8 files changed, 196 insertions(+), 75 deletions(-) > create mode 100644 arch/openrisc/kernel/cacheinfo.c > > > base-commit: ea1413e5b53a8dd4fa7675edb23cdf828bbdce1e > -- > 2.48.1 >
