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From: Paolo Bonzini <pbonzini@redhat.com>
To: Zhao Liu <zhao1.liu@intel.com>
Cc: qemu-devel@nongnu.org, qemu-rust@nongnu.org
Subject: Re: [PATCH 04/12] rust: timer: wrap QEMUTimer with Opaque<> and express pinning requirements
Date: Mon, 3 Mar 2025 15:51:25 +0100	[thread overview]
Message-ID: <4b4ca8d8-662f-409c-96dd-11c5075252e2@redhat.com> (raw)
In-Reply-To: <Z8W8hzFO9HU3IujQ@intel.com>

On 3/3/25 15:28, Zhao Liu wrote:
>> -    pub fn init_full<'timer, 'opaque: 'timer, T, F>(
>> -        &'timer mut self,
>> +    pub fn new_full<'opaque, T, F>(
>>           timer_list_group: Option<&TimerListGroup>,
>>           clk_type: ClockType,
>>           scale: u32,
>>           attributes: u32,
>>           _cb: F,
>>           opaque: &'opaque T,
>> -    ) where
>> +    ) -> Pin<Box<Self>>
>>           F: for<'a> FnCall<(&'a T,)>,
>>       {
> 
> Ah, the lifetime here isn't effectively bound... However, I also
> referred to your latest code [1] :), and it seems that this issue
> has already been fixed. (Nit: The code still has a complaint from
> `cargo fmt`)

I am not sure if the change I have in that commit actually does 
anything, unfortunately... :( which is why I wanted to use init_full 
instead of new_full.

It's easiest to marked new_full() unsafe for now.

Paolo

> [1]: https://gitlab.com/bonzini/qemu/-/commit/ccb9f6dc738f503a696d8d50f1b5e4576ee80bc6



  reply	other threads:[~2025-03-03 14:51 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-27 14:22 [PATCH v2 00/12] rust: wrap all C types exposed through qemu_api Paolo Bonzini
2025-02-27 14:22 ` [PATCH 01/12] rust: cell: add wrapper for FFI types Paolo Bonzini
2025-02-27 14:22 ` [PATCH 02/12] rust: qemu_api_macros: add Wrapper derive macro Paolo Bonzini
2025-02-27 14:22 ` [PATCH 03/12] rust: vmstate: add std::pin::Pin as transparent wrapper Paolo Bonzini
2025-03-03 13:25   ` Zhao Liu
2025-02-27 14:22 ` [PATCH 04/12] rust: timer: wrap QEMUTimer with Opaque<> and express pinning requirements Paolo Bonzini
2025-03-03 13:48   ` Zhao Liu
2025-03-03 15:58     ` Paolo Bonzini
2025-03-04  9:13       ` Zhao Liu
2025-03-06 10:45         ` Paolo Bonzini
2025-03-06 11:35           ` Zhao Liu
2025-03-03 14:28   ` Zhao Liu
2025-03-03 14:51     ` Paolo Bonzini [this message]
2025-03-03 16:15       ` Zhao Liu
2025-02-27 14:22 ` [PATCH 05/12] rust: irq: wrap IRQState with Opaque<> Paolo Bonzini
2025-03-03 15:07   ` Zhao Liu
2025-02-27 14:22 ` [PATCH 06/12] rust: qom: wrap Object " Paolo Bonzini
2025-02-27 14:22 ` [PATCH 07/12] rust: qdev: wrap Clock and DeviceState " Paolo Bonzini
2025-02-27 14:22 ` [PATCH 08/12] rust: hpet: do not access fields of SysBusDevice Paolo Bonzini
2025-03-03 15:09   ` Zhao Liu
2025-02-27 14:22 ` [PATCH 09/12] rust: sysbus: wrap SysBusDevice with Opaque<> Paolo Bonzini
2025-03-03 15:19   ` Zhao Liu
2025-02-27 14:22 ` [PATCH 10/12] rust: memory: wrap MemoryRegion " Paolo Bonzini
2025-03-03 15:25   ` Zhao Liu
2025-03-05  7:09   ` Zhao Liu
2025-02-27 14:22 ` [PATCH 11/12] rust: chardev: wrap Chardev " Paolo Bonzini
2025-02-27 14:22 ` [PATCH 12/12] rust: bindings: remove more unnecessary Send/Sync impls Paolo Bonzini

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