x86: Save registers in saved_context during suspend and hibernation
During hibernation and suspend on x86_64 save CPU registers in the saved_context
structure rather than in a handful of separate variables.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index 778953b..7e50bda 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -76,6 +76,34 @@
DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
DEFINE(pbe_next, offsetof(struct pbe, next));
BLANK();
+#define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry))
+ ENTRY(rbx);
+ ENTRY(rbx);
+ ENTRY(rcx);
+ ENTRY(rdx);
+ ENTRY(rsp);
+ ENTRY(rbp);
+ ENTRY(rsi);
+ ENTRY(rdi);
+ ENTRY(r8);
+ ENTRY(r9);
+ ENTRY(r10);
+ ENTRY(r11);
+ ENTRY(r12);
+ ENTRY(r13);
+ ENTRY(r14);
+ ENTRY(r15);
+ ENTRY(eflags);
+ BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry))
+ ENTRY(cr0);
+ ENTRY(cr2);
+ ENTRY(cr3);
+ ENTRY(cr4);
+ ENTRY(cr8);
+ BLANK();
+#undef ENTRY
DEFINE(TSS_ist, offsetof(struct tss_struct, ist));
BLANK();
DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));