Displaying 4 results from an estimated 4 matches for "set_bringup_idt_handl".
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set_bringup_idt_handler
2020 Sep 07
0
[PATCH v7 39/72] x86/sev-es: Setup early #VC handler
...c.h>
#include <asm/extable.h>
#include <asm/trapnr.h>
+#include <asm/sev-es.h>
/*
* Manage page tables very early on.
@@ -540,10 +541,29 @@ static struct desc_ptr bringup_idt_descr = {
.address = 0, /* Set at runtime */
};
+#ifdef CONFIG_AMD_MEM_ENCRYPT
+static void set_bringup_idt_handler(int n, void *handler)
+{
+ struct idt_data data;
+ gate_desc desc;
+
+ init_idt_data(&data, n, handler);
+ idt_init_desc(&desc, &data);
+ native_write_idt_entry(bringup_idt_table, n, &desc);
+}
+#endif
+
/* This runs while still in the direct mapping */
static void startup_64_lo...
2020 Sep 07
0
[PATCH v7 40/72] x86/sev-es: Setup GHCB based boot #VC handler
...gs))
+ return;
+#endif
+
early_fixup_exception(regs, trapnr);
}
@@ -572,6 +578,11 @@ static void startup_64_load_idt(unsigned long physbase)
/* This is used when running on kernel addresses */
void early_setup_idt(void)
{
+#ifdef CONFIG_AMD_MEM_ENCRYPT
+ /* VMM Communication Exception */
+ set_bringup_idt_handler(X86_TRAP_VC, vc_boot_ghcb);
+#endif
+
bringup_idt_descr.address = (unsigned long)bringup_idt_table;
native_load_idt(&bringup_idt_descr);
}
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 2e5aa03b4321..41057ff79284 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch...
2020 Sep 07
84
[PATCH v7 00/72] x86: SEV-ES Guest Support
From: Joerg Roedel <jroedel at suse.de>
Hi,
here is a new version of the SEV-ES Guest Support patches for x86. The
previous versions can be found as a linked list starting here:
https://lore.kernel.org/lkml/20200824085511.7553-1-joro at 8bytes.org/
I updated the patch-set based on ther review comments I got and the
discussions around it.
Another important change is that the early IDT
2020 Sep 07
84
[PATCH v7 00/72] x86: SEV-ES Guest Support
From: Joerg Roedel <jroedel at suse.de>
Hi,
here is a new version of the SEV-ES Guest Support patches for x86. The
previous versions can be found as a linked list starting here:
https://lore.kernel.org/lkml/20200824085511.7553-1-joro at 8bytes.org/
I updated the patch-set based on ther review comments I got and the
discussions around it.
Another important change is that the early IDT