Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find

qemu-devel

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_all

From:	Paolo Bonzini
Subject:	Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses
Date:	Sat, 29 Aug 2015 08:58:15 +0200
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0


On 28/08/2015 17:40, Peter Maydell wrote:
> Don't we also need to use an atomic_rcu_read() for the load
>     pd = *lp;
> (which is between hunk 1 and 2 in this patch) ?

Yes.

Paolo

[Prev in Thread]

Current Thread

[Next in Thread]

[Qemu-devel] [PATCH 07/10] tcg: comment on which functions have to be called with mmap_lock held, (continued)
- [Qemu-devel] [PATCH 07/10] tcg: comment on which functions have to be called with mmap_lock held, Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 07/10] tcg: comment on which functions have to be called with mmap_lock held, Peter Maydell, 2015/08/28
    - Re: [Qemu-devel] [PATCH 07/10] tcg: comment on which functions have to be called with mmap_lock held, Paolo Bonzini, 2015/08/29
- [Qemu-devel] [PATCH 01/10] cpus: protect work list with work_mutex, Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 01/10] cpus: protect work list with work_mutex, Peter Maydell, 2015/08/28
- [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses, Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses, Emilio G. Cota, 2015/08/12
    - Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses, Paolo Bonzini, 2015/08/13
    - Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses, Emilio G. Cota, 2015/08/13
  - Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses, Peter Maydell, 2015/08/28
    - Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses, Paolo Bonzini <=
- [Qemu-devel] [PATCH 04/10] exec-all: remove non-TCG stuff from exec-all.h header., Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 04/10] exec-all: remove non-TCG stuff from exec-all.h header., Peter Maydell, 2015/08/28
    - Re: [Qemu-devel] [PATCH 04/10] exec-all: remove non-TCG stuff from exec-all.h header., Paolo Bonzini, 2015/08/29
- [Qemu-devel] [PATCH 06/10] tcg: code_bitmap is not used by user-mode emulation, Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 06/10] tcg: code_bitmap is not used by user-mode emulation, Peter Maydell, 2015/08/28
    - Re: [Qemu-devel] [PATCH 06/10] tcg: code_bitmap is not used by user-mode emulation, Paolo Bonzini, 2015/08/29
- [Qemu-devel] [PATCH 09/10] exec: make mmap_lock/mmap_unlock globally available, Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 09/10] exec: make mmap_lock/mmap_unlock globally available, Peter Maydell, 2015/08/28
- [Qemu-devel] [PATCH 11/10] tcg: comment on which functions have to be called with tb_lock held, Paolo Bonzini, 2015/08/12
  - Re: [Qemu-devel] [PATCH 11/10] tcg: comment on which functions have to be called with tb_lock held, Frederic Konrad, 2015/08/13

Prev by Date: Re: [Qemu-devel] [PATCH 07/10] tcg: comment on which functions have to be called with mmap_lock held
Next by Date: Re: [Qemu-devel] [PATCH 05/10] cpu-exec: elide more icount code if CONFIG_USER_ONLY
Previous by thread: Re: [Qemu-devel] [PATCH 08/10] tcg: add memory barriers in page_find_alloc accesses
Next by thread: [Qemu-devel] [PATCH 04/10] exec-all: remove non-TCG stuff from exec-all.h header.
Index(es):
- Date
- Thread