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Re: [PATCH v3] xen/arm: gic-v3: Introduce CONFIG_GICV3_NR_LRS
- To: Luca Fancellu <Luca.Fancellu@xxxxxxx>, Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Mon, 6 Jul 2026 16:25:34 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Mon, 06 Jul 2026 15:25:49 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 06/07/2026 4:20 pm, Luca Fancellu wrote:
>> On 6 Jul 2026, at 14:35, Ayan Kumar Halder <ayan.kumar.halder@xxxxxxx> wrote:
>>
>> gicv3_ich_read_lr()/gicv3_ich_write_lr() now reject out-of-range
>> indices with an error message, ASSERT_UNREACHABLE() and WARN() instead
>> of silently returning RAZ/WI; reaching this path indicates a bug.
>>
> I was thinking that it was better to have a panic or a bug_on for a bug, since
> ASSERT_UNREACHABLE and WARN will go away for release build,
> however if it’s been agreed with Julien I’m ok.
Only ASSERT()'s go away in release builds. WARN()'s remain in release
builds.
~Andrew
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