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 Re: [PATCH 2/6] qemu/main-loop: rename QEMU_IOTHREAD_LOCK_GUARD to QEMU_BQL_LOCK_GUARD
 
To: Stefan Hajnoczi <stefanha@xxxxxxxxxx>, qemu-devel@xxxxxxxxxxFrom: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>Date: Thu, 30 Nov 2023 10:14:47 +0100Cc: Jean-Christophe Dubois <jcd@xxxxxxxxxxxxxxx>,        Fabiano Rosas <farosas@xxxxxxx>, qemu-s390x@xxxxxxxxxx,        Song Gao <gaosong@xxxxxxxxxxx>,        Marcel Apfelbaum <marcel.apfelbaum@xxxxxxxxx>,        Thomas Huth <thuth@xxxxxxxxxx>, Hyman Huang <yong.huang@xxxxxxxxxx>,        Marcelo Tosatti <mtosatti@xxxxxxxxxx>,        David Woodhouse <dwmw2@xxxxxxxxxxxxx>,        Andrey Smirnov <andrew.smirnov@xxxxxxxxx>,        Peter Maydell <peter.maydell@xxxxxxxxxx>,        Kevin Wolf <kwolf@xxxxxxxxxx>, Artyom Tarasenko <atar4qemu@xxxxxxxxx>,        Mark Cave-Ayland <mark.cave-ayland@xxxxxxxxxxxx>,        Max Filippov <jcmvbkbc@xxxxxxxxx>,        Alistair Francis <alistair.francis@xxxxxxx>,        Paul Durrant <paul@xxxxxxx>, Jagannathan Raman <jag.raman@xxxxxxxxxx>,        Juan Quintela <quintela@xxxxxxxxxx>,        "Daniel P." Berrangé <berrange@xxxxxxxxxx>,        qemu-arm@xxxxxxxxxx, Jason Wang <jasowang@xxxxxxxxxx>,        Gerd Hoffmann <kraxel@xxxxxxxxxx>, Hanna Reitz <hreitz@xxxxxxxxxx>,        Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>,        BALATON Zoltan <balaton@xxxxxxxxxx>,        Daniel Henrique Barboza <danielhb413@xxxxxxxxx>,        Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx>,        Aurelien Jarno <aurelien@xxxxxxxxxxx>,        Hailiang Zhang <zhanghailiang@xxxxxxxxxxx>,        Roman Bolshakov <rbolshakov@xxxxxxx>,        Huacai Chen <chenhuacai@xxxxxxxxxx>, Fam Zheng <fam@xxxxxxxxxx>,        Eric Blake <eblake@xxxxxxxxxx>, Jiri Slaby <jslaby@xxxxxxx>,        Alexander Graf <agraf@xxxxxxxxx>,        Liu Zhiwei <zhiwei_liu@xxxxxxxxxxxxxxxxx>,        Weiwei Li <liwei1518@xxxxxxxxx>, Eric Farman <farman@xxxxxxxxxxxxx>,        Stafford Horne <shorne@xxxxxxxxx>,        David Hildenbrand <david@xxxxxxxxxx>,        Markus Armbruster <armbru@xxxxxxxxxx>,        Reinoud Zandijk <reinoud@xxxxxxxxxx>,        Palmer Dabbelt <palmer@xxxxxxxxxxx>,        Cameron Esfahani <dirty@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx,        Pavel Dovgalyuk <pavel.dovgaluk@xxxxxxxxx>, qemu-riscv@xxxxxxxxxx,        Aleksandar Rikalo <aleksandar.rikalo@xxxxxxxxxx>,        John Snow <jsnow@xxxxxxxxxx>,        Sunil Muthuswamy <sunilmut@xxxxxxxxxxxxx>,        Michael Roth <michael.roth@xxxxxxx>,        David Gibson <david@xxxxxxxxxxxxxxxxxxxxx>,        "Michael S. Tsirkin" <mst@xxxxxxxxxx>,        Richard Henderson <richard.henderson@xxxxxxxxxx>,        Bin Meng <bin.meng@xxxxxxxxxxxxx>,        Stefano Stabellini <sstabellini@xxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx,        qemu-block@xxxxxxxxxx, Halil Pasic <pasic@xxxxxxxxxxxxx>,        Peter Xu <peterx@xxxxxxxxxx>,        Anthony Perard <anthony.perard@xxxxxxxxxx>,        Harsh Prateek Bora <harshpb@xxxxxxxxxxxxx>,        Alex Bennée <alex.bennee@xxxxxxxxxx>,        Eduardo Habkost <eduardo@xxxxxxxxxxx>,        Paolo Bonzini <pbonzini@xxxxxxxxxx>,        Vladimir Sementsov-Ogievskiy <vsementsov@xxxxxxxxxxxxxx>,        Cédric Le Goater <clg@xxxxxxxx>,        qemu-ppc@xxxxxxxxxx,        Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>,        Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>,        Akihiko Odaki <akihiko.odaki@xxxxxxxxxx>,        Leonardo Bras <leobras@xxxxxxxxxx>,        Nicholas Piggin <npiggin@xxxxxxxxx>,        Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>Delivery-date: Thu, 30 Nov 2023 09:22:10 +0000List-id: Xen developer discussion <xen-devel.lists.xenproject.org> 
 On Wed, 2023-11-29 at 16:26 -0500, Stefan Hajnoczi wrote:
> The name "iothread" is overloaded. Use the term Big QEMU Lock (BQL)
> instead, it is already widely used and unambiguous.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
> ---
>  include/qemu/main-loop.h  | 20 ++++++++++----------
>  hw/i386/kvm/xen_evtchn.c  | 14 +++++++-------
>  hw/i386/kvm/xen_gnttab.c  |  2 +-
>  hw/mips/mips_int.c        |  2 +-
>  hw/ppc/ppc.c              |  2 +-
>  target/i386/kvm/xen-emu.c |  2 +-
>  target/ppc/excp_helper.c  |  2 +-
>  target/ppc/helper_regs.c  |  2 +-
>  target/riscv/cpu_helper.c |  4 ++--
>  9 files changed, 25 insertions(+), 25 deletions(-)
> 
> diff --git a/include/qemu/main-loop.h b/include/qemu/main-loop.h
> index d6f75e57bd..0b6a3e4824 100644
> --- a/include/qemu/main-loop.h
> +++ b/include/qemu/main-loop.h
> @@ -344,13 +344,13 @@ void qemu_bql_lock_impl(const char *file, int
> line);
>  void qemu_bql_unlock(void);
>  
>  /**
> - * QEMU_IOTHREAD_LOCK_GUARD
> + * QEMU_BQL_LOCK_GUARD
>   *
> - * Wrap a block of code in a conditional
> qemu_mutex_{lock,unlock}_iothread.
> + * Wrap a block of code in a conditional qemu_bql_{lock,unlock}.
>   */
> -typedef struct IOThreadLockAuto IOThreadLockAuto;
> +typedef struct BQLLockAuto BQLLockAuto;
>  
> -static inline IOThreadLockAuto *qemu_iothread_auto_lock(const char
> *file,
> +static inline BQLLockAuto *qemu_bql_auto_lock(const char *file,
>                                                          int line)
The padding is not correct anymore.
Other than this:
Acked-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
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