Linux-Kernel Archive: Re: [PATCH] arch/mips/kernel/traps: add CONFIG_MIPS_FP_SUPPORT when using handle_fpe Re: [PATCH] arch/mips/kernel/traps: add CONFIG_MIPS_FP_SUPPORT when using handle_fpe From: Stephen Zhang Date: Thu Apr 28 2022 - 23:11:11 EST Next message: Viresh Kumar: "Re: [PATCH 3/6] ARM: spear: remove include/mach/ subdirectory" Previous message: kernel test robot: "[peterz-queue:sched/wip.freezer 3/7] include/linux/sched/jobctl.h:23:2: error: expected identifier or '('" In reply to: Maciej W. Rozycki: "Re: [PATCH] arch/mips/kernel/traps: add CONFIG_MIPS_FP_SUPPORT when using handle_fpe" Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] Maciej W. Rozycki 于2022年4月28日周四 17:00写道： > > On Thu, 28 Apr 2022, Stephen Zhang wrote: > Thanks. > > The bug is in arch/mips/include/asm/mach-ip27/cpu-feature-overrides.h, > which has: > > #define cpu_has_fpu 1 > > (and similarly arch/mips/include/asm/mach-ip30/cpu-feature-overrides.h). > This is not supported, as noted in arch/mips/include/asm/cpu-features.h: > > /* Don't override `cpu_has_fpu' to 1 or the "nofpu" option won't work. */ > > Perhaps we should explicitly undefine `cpu_has_fpu' if set to 1? > > Maciej Thanks for your detailed explanation and suggestion. I will make a v2 patch. Next message: Viresh Kumar: "Re: [PATCH 3/6] ARM: spear: remove include/mach/ subdirectory" Previous message: kernel test robot: "[peterz-queue:sched/wip.freezer 3/7] include/linux/sched/jobctl.h:23:2: error: expected identifier or '('" In reply to: Maciej W. Rozycki: "Re: [PATCH] arch/mips/kernel/traps: add CONFIG_MIPS_FP_SUPPORT when using handle_fpe" Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
