On Thu, Sep 02, 2021 at 04:37:41PM +0200, Stefan Roese wrote: > On 02.09.21 16:17, Tom Rini wrote: > > On Tue, Aug 17, 2021 at 10:48:27AM +0200, Stefan Roese wrote: > > > > > This patch enables the use of the optimized memset(), memmove() & > > > memcpy() versions recently added on ARM64. > > > > > > Signed-off-by: Stefan Roese <[email protected]> > > > --- > > > > > > Changes in v5: > > > - memmove is now auto-selected (or deselected) with the memcpy > > > Kconfig selection as it's entry is the same as memcpy for ARM64 > > > > > > Changes in v3: > > > - Add memmove as well > > > > > > arch/arm/Kconfig | 37 +++++++++++++++++++++++++++++------ > > > arch/arm/include/asm/string.h | 4 ++++ > > > 2 files changed, 35 insertions(+), 6 deletions(-) > > > > This gives a ton of build failures for me, using gcc-9.2.0 (from > > kernel.org) along the lines of: > > Building current source for 1 boards (1 thread, 16 jobs per thread) > > aarch64: + j721e_evm_a72 > > +(j721e_evm_a72) aarch64-linux-ar: warning: arch/arm/lib/memset-arm64.o: > > unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 > > +(j721e_evm_a72) aarch64-linux-ar: warning: arch/arm/lib/memcpy-arm64.o: > > unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 > > +(j721e_evm_a72) aarch64-linux-ld.bfd: warning: > > arch/arm/lib/memset-arm64.o: unsupported GNU_PROPERTY_TYPE (5) type: > > 0xc0000000 > > +(j721e_evm_a72) aarch64-linux-ld.bfd: warning: > > arch/arm/lib/memcpy-arm64.o: unsupported GNU_PROPERTY_TYPE (5) type: > > 0xc0000000 > > +(j721e_evm_a72) aarch64-linux-objcopy: warning: u-boot: unsupported > > GNU_PROPERTY_TYPE (5) type: 0xc0000000 > > +(j721e_evm_a72) aarch64-linux-objdump: warning: u-boot: unsupported > > GNU_PROPERTY_TYPE (5) type: 0xc0000000 > > +(j721e_evm_a72) aarch64-linux-nm: warning: u-boot: unsupported > > GNU_PROPERTY_TYPE (5) type: 0xc0000000 > > +(j721e_evm_a72) tools/relocate-rela: bad rela bounds > > +(j721e_evm_a72) make[1]: *** [u-boot-nodtb.bin] Error 1 > > +(j721e_evm_a72) make: *** [sub-make] Error 2 > > I did not notice this, as I'm currently compiling locally with gcc-10. > Using gcc-9.4 also from kernel.org also works fine. gcc-9.2 throws these > errors.
I suppose this also means I should finish my local move up to gcc-11.1.0 to match CI, then, or whack the last of my local scripts to fire off Docker rather than not. > Should we switch to gcc-9.4? I could also add something like this as a > dependency to the Kconfig entries: > > https://patchwork.kernel.org/project/linux-arm-kernel/patch/[email protected]/ We have GCC_VERSION available in Kconfig, so yes, lets go with that in a v6. -- Tom
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