Hi Linus, Please pull the changes for 5.6-rc3. Sorry, I missed 5.6-rc1 merge window, but in this pull request the most are the fixes and the rests are between fixes and features. The only outside modification is the MAINTAINERS file update with our mailing list. Best Regards Guo Ren The following changes since commit 11a48a5a18c63fd7621bb050228cebf13566e4d8: Linux 5.6-rc2 (2020-02-16 13:16:59 -0800) are available in the Git repository at: https://github.com/c-sky/csky-linux.git tags/csky-for-linus-5.6-rc3 for you to fetch changes up to 99db590b083fa2bc60adfcb5c839a62db4ef1d79: csky: Replace <linux/clk-provider.h> by <linux/of_clk.h> (2020-02-23 12:48:55 +0800) ---------------------------------------------------------------- csky updates for 5.6-rc3 - Fix up cache flush implementations. - Fix up ftrace modify panic. - Fix up CONFIG_SMP boot problem. - Fix up pt_regs saving for atomic.S. - Fix up fixaddr_init without highmem. - Fix up stack protector support. - Fix up fake Tightly-Coupled Memory codes compile and use. - Fix up some typos and coding convention. The tag is tested with [1]. 1: https://gitlab.com/c-sky/buildroot/pipelines/120268254 ---------------------------------------------------------------- Geert Uytterhoeven (1): csky: Replace <linux/clk-provider.h> by <linux/of_clk.h> Guo Ren (17): MAINTAINERS: csky: Add mailing list for csky csky: Tightly-Coupled Memory or Sram support csky: Separate fixaddr_init from highmem csky/mm: Fixup export invalid_pte_table symbol csky: Set regs->usp to kernel sp, when the exception is from kernel csky/smp: Fixup boot failed when CONFIG_SMP csky/Kconfig: Add Kconfig.platforms to support some drivers csky: Support icache flush without specific instructions csky: Remove unnecessary flush_icache_* implementation csky: Enable defer flush_dcache_page for abiv2 cpus (807/810/860) csky: Optimize abiv2 copy_to_user_page with VM_EXEC csky: Add flush_icache_mm to defer flush icache all csky: Fixup ftrace modify panic csky: Remove unused cache implementation csky: Fixup compile warning for three unimplemented syscalls csky: Add setup_initrd check code csky: Implement copy_thread_tls Krzysztof Kozlowski (1): csky: Cleanup old Kconfig options Ma Jun (1): csky: Minimize defconfig to support buildroot config.fragment MaJun (1): csky: Add PCI support Mao Han (1): csky: Initial stack protector support Randy Dunlap (1): arch/csky: fix some Kconfig typos MAINTAINERS | 1 + arch/csky/Kconfig | 51 +++++++++- arch/csky/Kconfig.platforms | 9 ++ arch/csky/abiv1/inc/abi/cacheflush.h | 5 +- arch/csky/abiv1/inc/abi/entry.h | 19 +++- arch/csky/abiv2/cacheflush.c | 84 +++++++++++----- arch/csky/abiv2/inc/abi/cacheflush.h | 33 ++++--- arch/csky/abiv2/inc/abi/entry.h | 11 +++ arch/csky/configs/defconfig | 8 -- arch/csky/include/asm/Kbuild | 1 - arch/csky/include/asm/cache.h | 1 + arch/csky/include/asm/cacheflush.h | 1 + arch/csky/include/asm/fixmap.h | 9 +- arch/csky/include/asm/memory.h | 25 +++++ arch/csky/include/asm/mmu.h | 1 + arch/csky/include/asm/mmu_context.h | 2 + arch/csky/include/asm/pci.h | 34 +++++++ arch/csky/include/asm/pgtable.h | 6 +- arch/csky/include/asm/stackprotector.h | 29 ++++++ arch/csky/include/asm/tcm.h | 24 +++++ arch/csky/include/uapi/asm/unistd.h | 3 + arch/csky/kernel/atomic.S | 8 +- arch/csky/kernel/process.c | 13 ++- arch/csky/kernel/setup.c | 5 +- arch/csky/kernel/smp.c | 2 +- arch/csky/kernel/time.c | 2 +- arch/csky/kernel/vmlinux.lds.S | 49 ++++++++++ arch/csky/mm/Makefile | 3 + arch/csky/mm/cachev1.c | 5 + arch/csky/mm/cachev2.c | 45 +++++---- arch/csky/mm/highmem.c | 64 +------------ arch/csky/mm/init.c | 92 ++++++++++++++++++ arch/csky/mm/syscache.c | 13 +-- arch/csky/mm/tcm.c | 169 +++++++++++++++++++++++++++++++++ 34 files changed, 663 insertions(+), 164 deletions(-) create mode 100644 arch/csky/Kconfig.platforms create mode 100644 arch/csky/include/asm/memory.h create mode 100644 arch/csky/include/asm/pci.h create mode 100644 arch/csky/include/asm/stackprotector.h create mode 100644 arch/csky/include/asm/tcm.h create mode 100644 arch/csky/mm/tcm.c
