cachepc

Prime+Probe cache-based side-channel attack on AMD SEV-SNP protected virtual machines
git clone https://git.sinitax.com/sinitax/cachepc
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commit 43b05b834f395c167f047c10bc871a705488349f
parent fb8f08fd5718900d1a709f8a57d61e59cdfecf61
Author: Louis Burda <quent.burda@gmail.com>
Date:   Mon,  6 Feb 2023 15:46:10 -0600

Swap gp registers to xmm in vmenter

Diffstat:

Mcachepc/cachepc.h | 3---


Mcachepc/kvm.c | 5-----


2 files changed, 0 insertions(+), 8 deletions(-)

diff --git a/cachepc/cachepc.h b/cachepc/cachepc.h
@@ -139,6 +139,3 @@ extern struct cpc_track_steps cpc_track_steps;
 extern struct list_head cpc_faults;
 
 extern struct cpc_cl *cpc_ds;
-
-extern uint64_t cpc_regs_tmp[16];
-extern uint64_t cpc_regs_vm[16];
diff --git a/cachepc/kvm.c b/cachepc/kvm.c
@@ -94,11 +94,6 @@ struct cpc_cl *cpc_ds_ul = NULL;
 struct cpc_cl *cpc_ds = NULL;
 EXPORT_SYMBOL(cpc_ds);
 
-uint64_t cpc_regs_tmp[16];
-uint64_t cpc_regs_vm[16];
-EXPORT_SYMBOL(cpc_regs_tmp);
-EXPORT_SYMBOL(cpc_regs_vm);
-
 void cpc_prime_probe_test_asm(void);
 static noinline void cpc_prime_probe_test(void);