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(parent: 72847b8) | patch
arm64: Add CNTVCT_EL0 trap handler
authorMarc Zyngier <marc.zyngier@arm.com>
Wed, 1 Feb 2017 11:48:58 +0000 (11:48 +0000)
committerMarc Zyngier <marc.zyngier@arm.com>
Fri, 7 Apr 2017 10:22:08 +0000 (11:22 +0100)
commite690c1fe3660a19dd6bef46be754ccd8926a52e3
tree7fc0666a03713243eac961d8899109686b12a628tree | snapshot
parent72847b80b2a6c7f88aff2717264276d27f2fc437commit | diff
arm64: Add CNTVCT_EL0 trap handler

Since people seem to make a point in breaking the userspace visible
counter, we have no choice but to trap the access. Add the required
handler.

Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
arch/arm64/include/asm/esr.h diff | blob | history
arch/arm64/kernel/traps.c diff | blob | history
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