[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xen/arm: gic-v3: Implement correctly the callback send_SGI
On Fri, May 08, 2015 at 06:01:12PM +0100, Julien Grall wrote: > Currently, the GICv3 driver is only able to send an SGI when the cpumask > is provided. Although with the modes SGI_TARGET_OTHERS and SGI_TARGET_SELF, > no cpumask is provided. Any usage of those modes will crash the hypersivor. > > Rename gicv3_send_sgi to gicv3_send_sgi_list and implement the > different modes: > - SGI_TARGET_OTHERS: Set the Interrupt Routing Mode (bit 40) to 1 > (see Table 4 on Section 4.2.6 PRD03-GENC-010745 24.0) > - SGI_TARGET_SELF: Unlike GICv2, the GICv3 SGI registers don't > provide a specific field. So use gicv3_send_sgi_list and pass > the cpumask of the current CPU > - SGI_TARGET_LIST: Directly call gicv3_send_sgi_list with the given > cpumask > > Also, use WRITE_SYSREG64 to write into ICC_SGI1R_EL1 the access is > 64-bit on all the architectures. > > Reported-by: Chen Baozi <baozich@xxxxxxxxx> > Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx> Tested-by: Chen Baozi <baozich@xxxxxxxxx> Cheers, Baozi. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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