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0cfab4cb3c
During the power event S3+ sleep/resume, hardware will lose all the encryption keys for every hardware session, even though the session state might still be marked as alive after resume. Therefore, we should consider the session as dead on suspend and invalidate all the objects. The session will be automatically restarted on the first protected submission on resume. v2: runtime suspend also invalidates the keys v3: fix return codes, simplify rpm ops (Chris), use the new worker func v4: invalidate the objects on suspend, don't re-create the arb sesson on resume (delayed to first submission). v5: move irq changes back to irq patch (Rodrigo) v6: drop invalidation in runtime suspend (Rodrigo) Signed-off-by: Huang, Sean Z <sean.z.huang@intel.com> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210924191452.1539378-13-alan.previn.teres.alexis@intel.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.