Noisy Sparse warnings

I have been getting the following sparse warnings repeatedly on my current Ubutu (17.10) when compiling the current mainline kernel: ./arch/x86/include/asm/nospec-branch.h:144:38: warning: Unknown escape '@' ./include/linux/string.h:239:1: error: attribute 'gnu_inline': unknown attribute I get

Noisy Sparse warnings

I have been getting the following sparse warnings repeatedly on my current Ubutu (17.10) when compiling the current mainline kernel: ./arch/x86/include/asm/nospec-branch.h:144:38: warning: Unknown escape '@' ./include/linux/string.h:239:1: error: attribute 'gnu_inline': unknown attribute I get