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Re: [Qemu-devel] [PATCH 4/6] accel/tcg: tb_gen_code(): Create single-ins

From: Emilio G. Cota
Subject: Re: [Qemu-devel] [PATCH 4/6] accel/tcg: tb_gen_code(): Create single-insn TB for execution from non-RAM
Date: Fri, 13 Jul 2018 12:41:21 -0400
User-agent: Mutt/1.5.24 (2015-08-30)

On Tue, Jul 10, 2018 at 17:00:11 +0100, Peter Maydell wrote:
> If get_page_addr_code() returns -1, this indicates that there is no RAM
> page we can read a full TB from. Instead we must create a TB which
> contains a single instruction and which we do not cache, so it is
> executed only once.
> Since this means we can now have TBs which are not in any page list,
> we also need to make tb_phys_invalidate() handle them (by not trying
> to remove them from a nonexistent page list).
> Signed-off-by: Peter Maydell <address@hidden>

Reviewed-by: Emilio G. Cota <address@hidden>


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