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authorJohannes Berg <johannes.berg@intel.com>2018-10-08 09:48:31 +0200
committerJohannes Berg <johannes.berg@intel.com>2018-10-08 09:48:36 +0200
commit188de5dd80b2b7986e75821374efb67081049b6e (patch)
tree545bbc0fdb58f30c0175128e3b5a9c00c89e2020 /arch/x86/boot/compressed/mem_encrypt.S
parent5207ca554bfcb5a32959eb12b6aff8f64384492c (diff)
parentabf1a08ff3237a27188ff8cc2904f2cea893af55 (diff)
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge net-next, which pulled in net, so I can merge a few more patches that would otherwise conflict. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/x86/boot/compressed/mem_encrypt.S')
-rw-r--r--arch/x86/boot/compressed/mem_encrypt.S19
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/x86/boot/compressed/mem_encrypt.S b/arch/x86/boot/compressed/mem_encrypt.S
index eaa843a52907..a480356e0ed8 100644
--- a/arch/x86/boot/compressed/mem_encrypt.S
+++ b/arch/x86/boot/compressed/mem_encrypt.S
@@ -25,20 +25,6 @@ ENTRY(get_sev_encryption_bit)
push %ebx
push %ecx
push %edx
- push %edi
-
- /*
- * RIP-relative addressing is needed to access the encryption bit
- * variable. Since we are running in 32-bit mode we need this call/pop
- * sequence to get the proper relative addressing.
- */
- call 1f
-1: popl %edi
- subl $1b, %edi
-
- movl enc_bit(%edi), %eax
- cmpl $0, %eax
- jge .Lsev_exit
/* Check if running under a hypervisor */
movl $1, %eax
@@ -69,15 +55,12 @@ ENTRY(get_sev_encryption_bit)
movl %ebx, %eax
andl $0x3f, %eax /* Return the encryption bit location */
- movl %eax, enc_bit(%edi)
jmp .Lsev_exit
.Lno_sev:
xor %eax, %eax
- movl %eax, enc_bit(%edi)
.Lsev_exit:
- pop %edi
pop %edx
pop %ecx
pop %ebx
@@ -113,8 +96,6 @@ ENTRY(set_sev_encryption_mask)
ENDPROC(set_sev_encryption_mask)
.data
-enc_bit:
- .int 0xffffffff
#ifdef CONFIG_AMD_MEM_ENCRYPT
.balign 8