On Thu, Dec 19, 2024 at 11:44:00AM +0000, Ajay Kaher wrote:
> For VMware hypervisor, SEV-SNP enabled VM's could boot without UEFI.
> In this case, mpparse_find_mptable() has to be called to parse MP
> tables which contains boot information.
>
> Fixes: 0f4a1e80989a ("x86/sev: Skip ROM range scans and validation for
> SEV-SNP guests")
> Signed-off-by: Ajay Kaher <ajay.ka...@broadcom.com>
> Signed-off-by: Ye Li <ye...@broadcom.com>
> Tested-by: Ye Li <ye...@broadcom.com>
That SOB chain is wrong. Ye's SOB means, he's sending the patch but that
doesn't look like it.
> ---
> arch/x86/kernel/cpu/vmware.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
> index 00189cd..3e2594d 100644
> --- a/arch/x86/kernel/cpu/vmware.c
> +++ b/arch/x86/kernel/cpu/vmware.c
> @@ -26,6 +26,7 @@
> #include <linux/export.h>
> #include <linux/clocksource.h>
> #include <linux/cpu.h>
> +#include <linux/efi.h>
> #include <linux/reboot.h>
> #include <linux/static_call.h>
> #include <asm/div64.h>
> @@ -35,6 +36,8 @@
> #include <asm/apic.h>
> #include <asm/vmware.h>
> #include <asm/svm.h>
> +#include <asm/mem_encrypt.h>
> +#include <asm/efi.h>
>
> #undef pr_fmt
> #define pr_fmt(fmt) "vmware: " fmt
> @@ -429,6 +432,10 @@ static void __init vmware_platform_setup(void)
> pr_warn("Failed to get TSC freq from the hypervisor\n");
> }
>
> + if (sev_status & MSR_AMD64_SEV_SNP_ENABLED &&
cpu_feature_enabled(X86_FEATURE_SEV_SNP)
> + !efi_enabled(EFI_BOOT))
> + x86_init.mpparse.find_mptable = mpparse_find_mptable;
> +
> vmware_paravirt_ops_setup();
>
> #ifdef CONFIG_X86_IO_APIC
> --
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
