From mboxrd@z Thu Jan 1 00:00:00 1970 From: shankerd@codeaurora.org (Shanker Donthineni) Date: Mon, 8 Jan 2018 11:22:53 -0600 Subject: [PATCH] arm64: Implement branch predictor hardening for Falkor In-Reply-To: <20180108092849.alfqtsmaf2dqakkr@kamzik.brq.redhat.com> References: <1515184139-23743-1-git-send-email-shankerd@codeaurora.org> <20180108092849.alfqtsmaf2dqakkr@kamzik.brq.redhat.com> Message-ID: <53924fb5-e5d6-69d7-0042-3a7eb8febc32@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Andrew, On 01/08/2018 03:28 AM, Andrew Jones wrote: > Hi Shanker, > > On Fri, Jan 05, 2018 at 02:28:59PM -0600, Shanker Donthineni wrote: > ... >> diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c >> index cb0fb37..daf53a5 100644 >> --- a/arch/arm64/kernel/cpu_errata.c >> +++ b/arch/arm64/kernel/cpu_errata.c >> @@ -54,6 +54,8 @@ static int cpu_enable_trap_ctr_access(void *__unused) >> >> #ifdef CONFIG_KVM >> extern char __psci_hyp_bp_inval_start[], __psci_hyp_bp_inval_end[]; >> +extern char __qcom_hyp_sanitize_link_stack_start[]; >> +extern char __qcom_hyp_sanitize_link_stack_end[]; >> >> static void __copy_hyp_vect_bpi(int slot, const char *hyp_vecs_start, >> const char *hyp_vecs_end) >> @@ -96,8 +98,10 @@ static void __install_bp_hardening_cb(bp_hardening_cb_t fn, >> spin_unlock(&bp_lock); >> } >> #else >> -#define __psci_hyp_bp_inval_start NULL >> -#define __psci_hyp_bp_inval_end NULL >> +#define __psci_hyp_bp_inval_start NULL >> +#define __psci_hyp_bp_inval_end NULL >> +#define __qcom_hyp_sanitize_link_stack_start NULL >> +#define __qcom_hyp_sanitize_link_stack_start NULL > ^^ copy+paste error here Thanks for catching typo, I'll fix in v2 patch. > > Thanks, > drew > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- Shanker Donthineni Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.