On Mon, 12 Mar 2018, julien.gr...@arm.com wrote:
> From: Julien Grall
>
> Commit 7d623b358a4 "arm/mem_access: Add long-descriptor based gpt"
> assumed the read-write lock can be taken recursively. However, this
> assumption is wrong and will lead to deadlock when the lock is
> contended.
>
> The
Hi Julien,
On 03/12/2018 04:34 PM, julien.gr...@arm.com wrote:
> From: Julien Grall
>
> Commit 7d623b358a4 "arm/mem_access: Add long-descriptor based gpt"
> assumed the read-write lock can be taken recursively. However, this
> assumption is wrong and will lead to deadlock when the lock is
> cont
From: Julien Grall
Commit 7d623b358a4 "arm/mem_access: Add long-descriptor based gpt"
assumed the read-write lock can be taken recursively. However, this
assumption is wrong and will lead to deadlock when the lock is
contended.
The read lock is taken recursively in the following case:
1) get
