linux-kernel - Re: [PATCH v5 03/17] ACPI: bus: Add acpi_riscv

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: <ZjNyYkgpyAa47F4b@sunil-laptop>
Date: Thu, 2 May 2024 16:30:50 +0530
From: Sunil V L <sunilvl@...tanamicro.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Sudeep Holla <sudeep.holla@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-acpi@...r.kernel.org,
	linux-pci@...r.kernel.org, linux-serial@...r.kernel.org,
	acpica-devel@...ts.linux.dev,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Len Brown <lenb@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
	Anup Patel <anup@...infault.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Samuel Holland <samuel.holland@...ive.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Robert Moore <robert.moore@...el.com>,
	Conor Dooley <conor.dooley@...rochip.com>,
	Andrew Jones <ajones@...tanamicro.com>,
	Marc Zyngier <maz@...nel.org>,
	Atish Kumar Patra <atishp@...osinc.com>,
	Andrei Warkentin <andrei.warkentin@...el.com>,
	Haibo1 Xu <haibo1.xu@...el.com>,
	Björn Töpel <bjorn@...nel.org>
Subject: Re: [PATCH v5 03/17] ACPI: bus: Add acpi_riscv_init function

On Thu, May 02, 2024 at 01:19:55PM +0300, Andy Shevchenko wrote:
> On Thu, May 02, 2024 at 11:12:43AM +0100, Sudeep Holla wrote:
> > On Thu, May 02, 2024 at 03:32:25PM +0530, Sunil V L wrote:
> > > On Thu, May 02, 2024 at 12:24:14PM +0300, Andy Shevchenko wrote:
> > > > On Wed, May 01, 2024 at 05:47:28PM +0530, Sunil V L wrote:
> > > > > Add a new function for RISC-V to do any architecture specific
> > > > > initialization. This function will be used to create platform devices
> > > > > like APLIC, PLIC, RISC-V IOMMU etc. This is similar to acpi_arm_init().
> > > >
> > > > What is the special about this architecture that it requires a separate
> > > > initialization that is _not_ going to be in other cases?
> > > > Please, elaborate.
> > > >
> > > This init function will be used to create GSI mapping structures and in
> > > future may be others like iommu. Like I mentioned, ARM already has
> > > similar function acpi_arm_init(). So, it is not new right?
> > 
> > Just to add:
> > 
> > This is to initialise everything around all the arch specific tables
> > which you will not have on any other architectures. We could execute
> > on all architectures but the tables will never be found. The main point
> > is why do we want to do that if we can optimise and skip on all other
> > archs.
> 
> You need to carefully write the commit messages. Some kind of the above
> paragraphs has to be in there.
> 
Sure, let me update the commit message on similar lines.

Thanks,
Sunil