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(parent: 11d12ea) | patch
arm64: Add PTE_HYP_XN page table flag
authorMarc Zyngier <marc.zyngier@arm.com>
Mon, 13 Jun 2016 14:00:46 +0000 (15:00 +0100)
committerChristoffer Dall <christoffer.dall@linaro.org>
Wed, 29 Jun 2016 11:59:14 +0000 (13:59 +0200)
commit9ffab994fe37d1ba5b3170487ad28c63f1d04a57
treead6e69cd48453a63e24d45c02b364a4f03b421f3tree | snapshot
parent11d12ea695d06ce9e4dcc85919a99c9d732fbe0acommit | diff
arm64: Add PTE_HYP_XN page table flag

EL2 page tables can be configured to deny code from being
executed, which is done by setting bit 54 in the page descriptor.

It is the same bit as PTE_UXN, but the "USER" reference felt odd
in the hypervisor code.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
arch/arm64/include/asm/pgtable-hwdef.h diff | blob | history
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