Re: [Xen-devel] [PATCH v4 11/19] xen/arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support

2018-02-23 Thread Julien Grall
On 23/02/18 18:18, Volodymyr Babchuk wrote: Hi Julien, Hi Volodymyr, On 23.02.18 18:47, Julien Grall wrote: Add the detection and runtime code for ARM_SMCCC_ARCH_WORKAROUND_1. Signed-off-by: Julien Grall --- Changes in v4: - Re-order saving/restoring registers in  

Re: [Xen-devel] [PATCH v4 11/19] xen/arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support

2018-02-23 Thread Volodymyr Babchuk
Hi Julien, On 23.02.18 18:47, Julien Grall wrote: Add the detection and runtime code for ARM_SMCCC_ARCH_WORKAROUND_1. Signed-off-by: Julien Grall --- Changes in v4: - Re-order saving/restoring registers in __smccc_workaround_1_smc_start Looks like you missed to run --

[Xen-devel] [PATCH v4 11/19] xen/arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP hardening support

2018-02-23 Thread Julien Grall
Add the detection and runtime code for ARM_SMCCC_ARCH_WORKAROUND_1. Signed-off-by: Julien Grall --- Changes in v4: - Re-order saving/restoring registers in __smccc_workaround_1_smc_start Changes in v3: - Add the missing call to smc #0. Changes in v2: