On Thu, Feb 06, 2025 at 12:37:21PM +0100, Theodore Grey wrote: > Regressions on the arm64, builds failed with gcc-8 on Linux stable-rc 6.13.2-rc1 > But the gcc-13 and clang builds pass. > > This was also reported on Linus tree a few weeks back [1] and also seen on > the stable-rc 6.12.13-rc1. > > Build regression: arm64, gcc-8 phy-fsl-samsung-hdmi.c __compiletime_assert_537 > > Good: v6.13 (v6.13-26-g65a3016a79e2) > Bad: 6.13.2-rc1 (v6.13-652-g32cbb2e169ed) > > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> > > * arm64: > build: > * gcc-8-defconfig > * gcc-8-defconfig-40bc7ee5 > * gcc-8-lkftconfig-hardening > > ## Build log > In function 'fsl_samsung_hdmi_phy_configure_pll_lock_det.isra.10', > inlined from 'fsl_samsung_hdmi_phy_configure' at > drivers/phy/freescale/phy-fsl-samsung-hdmi.c:466:2: > include/linux/compiler_types.h:542:38: error: call to > '__compiletime_assert_537' declared with attribute error: FIELD_PREP: > value too large for the field > _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > ^ > include/linux/compiler_types.h:523:4: note: in definition of macro > '__compiletime_assert' > prefix ## suffix(); \ > ^~~~~~ > include/linux/compiler_types.h:542:2: note: in expansion of macro > '_compiletime_assert' > _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) > ^~~~~~~~~~~~~~~~~~~ > include/linux/build_bug.h:39:37: note: in expansion of macro > 'compiletime_assert' > #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) > ^~~~~~~~~~~~~~~~~~ > include/linux/bitfield.h:68:3: note: in expansion of macro 'BUILD_BUG_ON_MSG' > BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ? \ > ^~~~~~~~~~~~~~~~ > include/linux/bitfield.h:115:3: note: in expansion of macro '__BF_FIELD_CHECK' > __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_PREP: "); \ > ^~~~~~~~~~~~~~~~ > drivers/phy/freescale/phy-fsl-samsung-hdmi.c:344:9: note: in expansion > of macro 'FIELD_PREP' > writeb(FIELD_PREP(REG12_CK_DIV_MASK, div), phy->regs + PHY_REG(12)); > ^~~~~~~~~~ > make[6]: *** [scripts/Makefile.build:196: > drivers/phy/freescale/phy-fsl-samsung-hdmi.o] Error 1 Offending commit now dropped from 6.13.y and 6.12.y, thanks. greg k-h
