Re: [PATCH v3 12/13] arm64: Implement branch predictor hardening for Falkor

2018-01-12 Thread Shanker Donthineni
Hi Will, This patch is the right one for variant2, checks QDF2400 part numbers QCOM_FALKOR and FALKOR_V1 but unfortunately it got modified and merged to linux-next branch causing confusion.Please revert and merge [V2] patch to fix the problem. https://git.kernel.org/pub/scm/linux/kernel/git

[PATCH v3 12/13] arm64: Implement branch predictor hardening for Falkor

2018-01-08 Thread Will Deacon
From: Shanker Donthineni Falkor is susceptible to branch predictor aliasing and can theoretically be attacked by malicious code. This patch implements a mitigation for these attacks, preventing any malicious entries from affecting other victim contexts. Signed-off-by: Shanker Donthineni [will: