Re: [PATCH v2 1/7] x86/boot: Remove verify_cpu() from secondary_startup_64()

2023-01-26 Thread Peter Zijlstra
On Thu, Jan 19, 2023 at 11:35:06AM -0800, H. Peter Anvin wrote: > On January 18, 2023 1:45:44 AM PST, Peter Zijlstra > wrote: > >On Mon, Jan 16, 2023 at 03:25:34PM +0100, Peter Zijlstra wrote: > >> The boot trampolines from trampoline_64.S have code flow like: > >> > >> 16bit BIOS

Re: [PATCH v2 1/7] x86/boot: Remove verify_cpu() from secondary_startup_64()

2023-01-19 Thread H. Peter Anvin
On January 18, 2023 1:45:44 AM PST, Peter Zijlstra wrote: >On Mon, Jan 16, 2023 at 03:25:34PM +0100, Peter Zijlstra wrote: >> The boot trampolines from trampoline_64.S have code flow like: >> >> 16bit BIOS SEV-ES 64bit EFI >> >> trampoline_start()

Re: [PATCH v2 1/7] x86/boot: Remove verify_cpu() from secondary_startup_64()

2023-01-18 Thread kirill . shutemov
On Wed, Jan 18, 2023 at 10:45:44AM +0100, Peter Zijlstra wrote: > On Mon, Jan 16, 2023 at 03:25:34PM +0100, Peter Zijlstra wrote: > > The boot trampolines from trampoline_64.S have code flow like: > > > > 16bit BIOSSEV-ES 64bit > > EFI > > > >

Re: [PATCH v2 1/7] x86/boot: Remove verify_cpu() from secondary_startup_64()

2023-01-18 Thread Peter Zijlstra
On Mon, Jan 16, 2023 at 03:25:34PM +0100, Peter Zijlstra wrote: > The boot trampolines from trampoline_64.S have code flow like: > > 16bit BIOS SEV-ES 64bit EFI > > trampoline_start() sev_es_trampoline_start() > trampoline_start_64() >

Re: [PATCH v2 1/7] x86/boot: Remove verify_cpu() from secondary_startup_64()

2023-01-17 Thread Ingo Molnar
* Peter Zijlstra wrote: > The boot trampolines from trampoline_64.S have code flow like: > > 16bit BIOS SEV-ES 64bit EFI > > trampoline_start() sev_es_trampoline_start() > trampoline_start_64() > verify_cpu()

[PATCH v2 1/7] x86/boot: Remove verify_cpu() from secondary_startup_64()

2023-01-16 Thread Peter Zijlstra
The boot trampolines from trampoline_64.S have code flow like: 16bit BIOSSEV-ES 64bit EFI trampoline_start()sev_es_trampoline_start() trampoline_start_64() verify_cpu() | |