Re: [PATCH v4 5/5] OMAP: mailbox: add notification support for multiple readers

2010-11-24 Thread Kanigeri, Hari
On Tue, Nov 23, 2010 at 11:29 PM, Varadarajan, Charulatha ch...@ti.com wrote: On Wed, Nov 24, 2010 at 02:56, Hari Kanigeri h-kanige...@ti.com wrote: In the current mailbox driver, the mailbox internal pointer for callback can be directly manipulated by the Users, so a second User can easily

Re: [PATCH v4 5/5] OMAP: mailbox: add notification support for multiple readers

2010-11-24 Thread Varadarajan, Charulatha
On Wed, Nov 24, 2010 at 18:39, Kanigeri, Hari h-kanige...@ti.com wrote: On Tue, Nov 23, 2010 at 11:29 PM, Varadarajan, Charulatha ch...@ti.com wrote: On Wed, Nov 24, 2010 at 02:56, Hari Kanigeri h-kanige...@ti.com wrote: In the current mailbox driver, the mailbox internal pointer for

Re: [PATCH v4 5/5] OMAP: mailbox: add notification support for multiple readers

2010-11-24 Thread Kanigeri, Hari
On Wed, Nov 24, 2010 at 7:12 AM, Varadarajan, Charulatha ch...@ti.com wrote: On Wed, Nov 24, 2010 at 18:39, Kanigeri, Hari h-kanige...@ti.com wrote: On Tue, Nov 23, 2010 at 11:29 PM, Varadarajan, Charulatha ch...@ti.com wrote: On Wed, Nov 24, 2010 at 02:56, Hari Kanigeri h-kanige...@ti.com

[PATCH v4 5/5] OMAP: mailbox: add notification support for multiple readers

2010-11-23 Thread Hari Kanigeri
In the current mailbox driver, the mailbox internal pointer for callback can be directly manipulated by the Users, so a second User can easily corrupt the first user's callback pointer. The initial effort to correct this issue can be referred here: https://patchwork.kernel.org/patch/107520/ Along

Re: [PATCH v4 5/5] OMAP: mailbox: add notification support for multiple readers

2010-11-23 Thread Varadarajan, Charulatha
On Wed, Nov 24, 2010 at 02:56, Hari Kanigeri h-kanige...@ti.com wrote: In the current mailbox driver, the mailbox internal pointer for callback can be directly manipulated by the Users, so a second User can easily corrupt the first user's callback pointer. The initial effort to correct this