From: "Ni, Ruiyu" <ruiyu.ni@intel.com>
To: "Bi, Dandan" <dandan.bi@intel.com>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: "Gao, Liming" <liming.gao@intel.com>
Subject: Re: [patch 2/3] IntelFrameworkModulePkg: Avoid key notification called more than once
Date: Thu, 13 Sep 2018 02:24:24 +0000 [thread overview]
Message-ID: <734D49CCEBEEF84792F5B80ED585239D5BE07035@SHSMSX104.ccr.corp.intel.com> (raw)
In-Reply-To: <20180910071202.11008-2-dandan.bi@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Thanks/Ray
> -----Original Message-----
> From: Bi, Dandan
> Sent: Monday, September 10, 2018 3:12 PM
> To: edk2-devel@lists.01.org
> Cc: Bi, Dandan <dandan.bi@intel.com>; Ni, Ruiyu <ruiyu.ni@intel.com>; Gao,
> Liming <liming.gao@intel.com>
> Subject: [patch 2/3] IntelFrameworkModulePkg: Avoid key notification called
> more than once
>
> From: Dandan Bi <dandan.bi@intel.com>
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=996
>
> Issue:
> In current code logic, when a key is pressed, it will search the whole
> NotifyList to find whether a notification has been registered with the
> keystroke. if yes, it will en-queue the key for notification execution later.
> And now if different notification functions have been registered with the
> same key, then the key will be en-queued more than once. Then it will cause
> the notification executed more than once.
>
> This patch is to enhance the code logic to fix this issue.
>
> Cc: Ruiyu Ni <ruiyu.ni@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Dandan Bi <dandan.bi@intel.com>
> ---
> IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c | 1 +
> IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.c
> | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git
> a/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> b/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> index 202588191e..fddb0b21fb 100644
> --- a/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> +++ b/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2KbdCtrller.c
> @@ -1485,10 +1485,11 @@ KeyGetchar (
> // while current TPL is TPL_NOTIFY. It will be invoked in
> // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.
> //
> PushEfikeyBufTail (&ConsoleIn->EfiKeyQueueForNotify, &KeyData);
> gBS->SignalEvent (ConsoleIn->KeyNotifyProcessEvent);
> + break;
> }
> }
>
> PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData); } diff --git
> a/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.
> c
> b/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.
> c
> index 63f6303995..bee5f8f5e5 100644
> ---
> a/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.
> c
> +++
> b/IntelFrameworkModulePkg/Csm/BiosThunk/KeyboardDxe/BiosKeyboard.
> c
> @@ -1984,10 +1984,11 @@ BiosKeyboardTimerHandler (
> // while current TPL is TPL_NOTIFY. It will be invoked in
> // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.
> //
> Enqueue (&BiosKeyboardPrivate->QueueForNotify, &KeyData);
> gBS->SignalEvent (BiosKeyboardPrivate->KeyNotifyProcessEvent);
> + break;
> }
> }
>
> Enqueue (&BiosKeyboardPrivate->Queue, &KeyData);
>
> --
> 2.14.3.windows.1
next prev parent reply other threads:[~2018-09-13 2:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-10 7:12 [patch 1/3] EmbeddedPkg/VirtualKeyboard: Avoid notification called more than once dandan bi
2018-09-10 7:12 ` [patch 2/3] IntelFrameworkModulePkg: Avoid key " dandan bi
2018-09-13 2:24 ` Ni, Ruiyu [this message]
2018-09-10 7:12 ` [patch 3/3] MdeModulePkg: " dandan bi
2018-09-12 1:55 ` Zeng, Star
2018-09-13 2:24 ` Ni, Ruiyu
2018-09-13 2:24 ` [patch 1/3] EmbeddedPkg/VirtualKeyboard: Avoid " Ni, Ruiyu
2018-09-13 15:50 ` Ard Biesheuvel
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