Sergey Fedorov <serge.f...@gmail.com> writes: > On 20/04/16 12:42, Alex Bennée wrote: >> Sergey Fedorov <sergey.fedo...@linaro.org> writes: >>> diff --git a/tcg/tci/tcg-target.inc.c b/tcg/tci/tcg-target.inc.c >>> index 4afe4d7a8d59..7e6180e62898 100644 >>> --- a/tcg/tci/tcg-target.inc.c >>> +++ b/tcg/tci/tcg-target.inc.c >>> @@ -556,6 +556,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, >>> const TCGArg *args, >>> if (s->tb_jmp_offset) { >>> /* Direct jump method. */ >>> assert(args[0] < ARRAY_SIZE(s->tb_jmp_offset)); >>> + /* Align for atomic patching and thread safety */ >>> + s->code_ptr = (uint8_t *)(((uintptr_t)s->code_ptr + 3) & >>> ~3); >> Seeing this pattern is being used over and over again I wonder if we >> should have some utility helper functions for this? Perhaps we should >> steal the kernels ALIGN macros? > > Good point, really. I see such a macro in hw/display/qxl.c and > kvm-all.c. It'd be better a common definition. Any idea of where to > put it?
Somewhere inside include/qemu. osdep.h has ROUND_UP/DOWN functions maybe there makes the most sense? > > Kind regards, > Sergey -- Alex Bennée