Hello Samuel, Thank you for the quick reply! Samuel Holland <samuel.holland@xxxxxxxxxx> writes: > On 2024-04-10 5:21 PM, Thiago Jung Bauermann wrote: >> >> Unfortunately this patch causes build failures on arm with allyesconfig >> and allmodconfig. Tested with next-20240410. <snip> > In both cases, the issue is that the toolchain requires runtime support to > convert between `unsigned long long` and `double`, even when hardware FP is > enabled. There was some past discussion about GCC inlining some of these > conversions[1], but that did not get implemented. Thank you for the explanation and the bugzilla reference. I added a comment there mentioning that the problem came up again with this patch series. > The short-term fix would be to drop the `select ARCH_HAS_KERNEL_FPU_SUPPORT` for > 32-bit arm until we can provide these runtime library functions. Does this mean that patch 2 in this series: [PATCH v4 02/15] ARM: Implement ARCH_HAS_KERNEL_FPU_SUPPORT will be dropped? -- Thiago
