From: Stefano Stabellini <sstabellini@kernel.org>
To: Shanker Donthineni <shankerd@codeaurora.org>
Cc: xen-devel <xen-devel@lists.xensource.com>,
Wei Liu <wei.liu2@citrix.com>,
Vikram Sethi <vikrams@codeaurora.org>,
George Dunlap <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
Julien Grall <julien.grall@arm.com>,
Stefano Stabellini <sstabellini@kernel.org>,
Jan Beulich <jbeulich@suse.com>,
Philip Elcan <pelcan@codeaurora.org>
Subject: Re: [PATCH V3 0/4] Change fixed mmio handlers to a variable number
Date: Tue, 26 Jul 2016 15:16:28 -0700 (PDT) [thread overview]
Message-ID: <alpine.DEB.2.10.1607261516160.12319@sstabellini-ThinkPad-X260> (raw)
In-Reply-To: <1469023256-6487-1-git-send-email-shankerd@codeaurora.org>
On Wed, 20 Jul 2016, Shanker Donthineni wrote:
> The maximum number of mmio handlers that are allowed is limited to
> a macro MAX_IO_HANDLER(16), which is not enough for supporting per CPU
> Redistributor regions. We need at least MAX_IO_HANDLER+CONFIG_NR_CPUS
> mmio handlers in order to support ACPI based XEN boot.
>
> This patchset uses the dynamic allocation strategy to allocate memory
> resource dynamically depends on the number of Redistributor regions
> that are described in the APCI MADT table.
>
> Shanker Donthineni (4):
> arm/io: Use separate memory allocation for mmio handlers
> xen: Add generic implementation of binary search
> xen/arm: io: Use binary search for mmio handler lookup
> arm/vgic: Change fixed number of mmio handlers to variable number
>
> xen/arch/arm/domain.c | 12 +++++++----
> xen/arch/arm/io.c | 52 +++++++++++++++++++++++++++++++---------------
> xen/arch/arm/vgic-v2.c | 3 ++-
> xen/arch/arm/vgic-v3.c | 5 ++++-
> xen/arch/arm/vgic.c | 10 +++------
> xen/common/Makefile | 1 +
> xen/common/bsearch.c | 51 +++++++++++++++++++++++++++++++++++++++++++++
> xen/include/asm-arm/mmio.h | 7 +++++--
> xen/include/asm-arm/vgic.h | 5 +++--
> xen/include/xen/lib.h | 3 +++
> 10 files changed, 115 insertions(+), 34 deletions(-)
> create mode 100644 xen/common/bsearch.c
Committed, thanks!
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next prev parent reply other threads:[~2016-07-26 22:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-20 14:00 [PATCH V3 0/4] Change fixed mmio handlers to a variable number Shanker Donthineni
2016-07-20 14:00 ` [PATCH V3 1/4] arm/io: Use separate memory allocation for mmio handlers Shanker Donthineni
2016-07-20 14:00 ` [PATCH V3 2/4] xen: Add generic implementation of binary search Shanker Donthineni
2016-08-01 12:46 ` Jan Beulich
2016-08-01 12:49 ` Andrew Cooper
2016-07-20 14:00 ` [PATCH V3 3/4] xen/arm: io: Use binary search for mmio handler lookup Shanker Donthineni
2016-07-26 21:02 ` Julien Grall
2016-07-20 14:00 ` [PATCH V3 4/4] arm/vgic: Change fixed number of mmio handlers to variable number Shanker Donthineni
2016-07-26 21:02 ` Julien Grall
2016-07-26 22:16 ` Stefano Stabellini [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-07-20 13:53 [PATCH V3 0/4] Change fixed mmio handlers to a " Shanker Donthineni
2016-07-20 13:53 ` Shanker Donthineni
2016-07-20 13:59 ` Shanker Donthineni
2016-07-20 13:59 ` Shanker Donthineni
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