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Re: [Qemu-devel] [PATCH v2 1/2] accel/tcg/translate-all: expand cpu_rest

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v2 1/2] accel/tcg/translate-all: expand cpu_restore_state addr check
Date: Wed, 8 Nov 2017 17:23:37 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 11/08/2017 04:32 PM, Alex Bennée wrote:
> We are still seeing signals during translation time when we walk over
> a page protection boundary. This expands the check to ensure the host
> PC is inside the code generation buffer. The original suggestion was
> to check versus tcg_ctx.code_gen_ptr but as we now segment the
> translation buffer we have to settle for just a general check for
> being inside.
> I've also fixed up the declaration to make it clear it can deal with
> invalid addresses. A later patch will fix up the call sites.
> Signed-off-by: Alex Bennée <address@hidden>
> Reported-by: Peter Maydell <address@hidden>
> Suggested-by: Paolo Bonzini <address@hidden>
> Cc: Richard Henderson <address@hidden>

Reviewed-by: Richard Henderson <address@hidden>


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