On 25.10.23 12:34, Borislav Petkov wrote:
On Thu, Oct 19, 2023 at 11:15:16AM +0200, Juergen Gross wrote:+/* Low-level backend functions usable from alternative code replacements. */ +DEFINE_ASM_FUNC(x86_nop, "", .entry.text); +EXPORT_SYMBOL_GPL(x86_nop);This is all x86 code so you don't really need the "x86_" prefix - "nop" is perfectly fine.
There is #define nop() asm volatile ("nop") in arch/x86/include/asm/special_insns.h already.
+noinstr void x86_BUG(void) +{ + BUG(); +} +EXPORT_SYMBOL_GPL(x86_BUG);That export is needed for? Paravirt stuff in modules? It builds here without it - I guess I need to do an allmodconfig.
It might not be needed now, but are you sure we won't need it in future? Juergen
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