On 23 February 2018 at 18:35, Peter Maydell <peter.mayd...@linaro.org> wrote:
> On 28 December 2017 at 18:08, Luke Shumaker <luke...@lukeshu.com> wrote:
>> From: Luke Shumaker <luke...@parabola.nu>
>> Instead of defining a bogus validate_guest_space that always returns 1 on
>> targets other than 32-bit ARM, use #if blocks to only call it on 32-bit ARM
>> targets.  This makes the "normal" flow control clearer.
>> Signed-off-by: Luke Shumaker <luke...@parabola.nu>

>> @@ -1845,11 +1835,12 @@ unsigned long init_guest_space(unsigned long 
>> host_start,
>>      /* If just a starting address is given, then just verify that
>>       * address.  */
>>      if (host_start && !host_size) {
>> +#if defined(TARGET_ARM) && !defined(TARGET_AARCH64)
> I would strongly prefer us not to add new "these targets do
> this" ifdefs, please. The current approach means that any
> target can say it needs an implementation of this hook by
> providing one and defining the TARGET_HAS_VALIDATE_GUEST_SPACE
> macro to say so. I think that's a better approach.

Looking through some of the rest of this patchset I might change
my mind on that (the code in master is very confusing). I won't
have time to get to this til Tuesday now, though.

-- PMM

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