linux-kernel - Re: [PATCH RFC 01/15] drivers/base: Introduce platform_msi

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200426070118.GA2083720@kroah.com>
Date:   Sun, 26 Apr 2020 09:01:18 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Dave Jiang <dave.jiang@...el.com>
Cc:     vkoul@...nel.org, megha.dey@...ux.intel.com, maz@...nel.org,
        bhelgaas@...gle.com, rafael@...nel.org, tglx@...utronix.de,
        hpa@...or.com, alex.williamson@...hat.com, jacob.jun.pan@...el.com,
        ashok.raj@...el.com, jgg@...lanox.com, yi.l.liu@...el.com,
        baolu.lu@...el.com, kevin.tian@...el.com, sanjay.k.kumar@...el.com,
        tony.luck@...el.com, jing.lin@...el.com, dan.j.williams@...el.com,
        kwankhede@...dia.com, eric.auger@...hat.com, parav@...lanox.com,
        dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
        x86@...nel.org, linux-pci@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH RFC 01/15] drivers/base: Introduce platform_msi_ops

On Tue, Apr 21, 2020 at 04:33:53PM -0700, Dave Jiang wrote:
> From: Megha Dey <megha.dey@...ux.intel.com>
> 
> This is a preparatory patch to introduce Interrupt Message Store (IMS).
> 
> Until now, platform-msi.c provided a generic way to handle non-PCI MSI
> interrupts. Platform-msi uses its parent chip's mask/unmask routines
> and only provides a way to write the message in the generating device.
> 
> Newly creeping non-PCI complaint MSI-like interrupts (Intel's IMS for
> instance) might need to provide a device specific mask and unmask callback
> as well, apart from the write function.
> 
> Hence, introduce a new structure platform_msi_ops, which would provide
> device specific write function as well as other device specific callbacks
> (mask/unmask).
> 
> Signed-off-by: Megha Dey <megha.dey@...ux.intel.com>

As this is not following the Intel-specific rules for sending me new
code, I am just deleting it all from my inbox.

Please follow the rules you all have been given, they are specific and
there for a reason.  And in looking at this code, those rules are not
going away any time soon.

greg k-h