[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH v9 02/14] arch/arm: let map_mmio_regions() take pfn as parameters
Hi Arianna, On 07/02/2014 07:42 PM, Arianna Avanzini wrote: > Currently, the map_mmio_regions() function, defined for the ARM > architecture, has parameters with paddr_t type. This interface, > however, needs caller functions to correctly page-align addresses > given as parameters to map_mmio_regions(). This commit changes the > function's interface to accept page frame numbers as parameters. > This commit also modifies caller functions in an attempt to adapt > them to the new interface. > This commit is meant to produce the minimum indispensable needed > changes; these are also instrumental to making the interface of > map_mmio_regions() symmetric with the unmap_mmio_regions() function, > that will be introduced in one of the next commits of the series > and will feature a pfn-based interface. > > NOTE: platform-specific code has not been tested, save for the > sunxi and the Arndale Exynos 5 platforms (see the Tested-by > below for the latter). > > Signed-off-by: Arianna Avanzini <avanzini.arianna@xxxxxxxxx> > Tested-by: Julien Grall <julien.grall@xxxxxxxxxx> > Cc: Dario Faggioli <dario.faggioli@xxxxxxxxxx> > Cc: Paolo Valente <paolo.valente@xxxxxxxxxx> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> > Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> > Cc: Jan Beulich <JBeulich@xxxxxxxx> > Cc: Keir Fraser <keir@xxxxxxx> > Cc: Tim Deegan <tim@xxxxxxx> > Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> > Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> > Cc: Eric Trudeau <etrudeau@xxxxxxxxxxxx> > Cc: Viktor Kleinik <viktor.kleinik@xxxxxxxxxxxxxxx> > > --- > > v7: > - Remove useless decrements when using paddr_to_pfn_aligned(). > > v5: > - Add a macro for the paddr_to_pfn(PAGE_ALIGN(...)) pattern. > - Hopefully improve commit description. > > --- > xen/arch/arm/domain_build.c | 7 ++++--- > xen/arch/arm/gic.c | 20 +++++++++++--------- For this patch and the following (#3), the code has heavily change in gic.c. Everything related to the mapping for GICv2 is now done in a separate file gic-v2.c (see the function gicv_v2_init). So both patches won't apply cleanly on the latest branch. Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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