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由 Marc Zyngier 提交于
Having IPI_CPU_BACKTRACE as SGI15 may not work if the kernel is running in non-secure mode and that the secure firmware has decided to follow ARM's recommendations that SGI8-15 should be reserved for secure purpose. Now that we are "only" using SGI0-6, change IPI_CPU_BACKTRACE to use SGI7, which makes it more likely to work. Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com> Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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