Re: [PATCH 5/5] tests/functional: skip mem addr test on 32-bit hosts

[Thomas Huth <thuth@redhat.com>]

On 06/02/2025 10.35, Daniel P. Berrangé wrote:
> On Wed, Feb 05, 2025 at 10:24:08AM -0800, Richard Henderson wrote:
>> On 2/5/25 07:59, Daniel P. Berrangé wrote:
>>> +
>>> +'''
>>> +Decorator to skip execution of a test on 32-bit targets
>>> +Example:
>>> +
>>> +  @skipIf32BitTarget()
>>> +'''
>>> +def skipIf32BitTarget():
>>> +    enoughBits = sys.maxsize > 2**32
>>
>> This will work for true 32-bit hosts, and possibly for containers running
>> emulation, but it won't work for cross-compilation (x86_64 to i686 or
>> aarch64 to arm).
>>
>> Perhaps "file qemu-system-foo" | grep "ELF 32-bit" ?
>> I don't know that we've actually selected the executable at this point though...
> 
> The QEMU_TEST_QEMU_BINARY env variable exists at all times, though
> grepping for ELF format feels a bit icky.
> 
> We also know the location of the build directory, so was wondering if
> anything there tells us whether the host target is 64-bit, but it
> appears not be the case.

Maybe it's sufficient to wait for Richard's patch to get merged:

  https://lore.kernel.org/qemu-devel/20250204215359.1238808-11-richard.henderson@linaro.org/

?

  Thomas