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[2/7] s390/alternatives: Remove ALT_FACILITY_EARLY

Message ID 20240913130544.2398678-3-hca@linux.ibm.com
State Accepted
Commit 013e984397a27129972cb1d89589d2b5be95a40e
Headers show
Series s390/vdso: getrandom() vdso implementation | expand

Commit Message

Heiko Carstens Sept. 13, 2024, 1:05 p.m. UTC 
Patch all alternatives which depend on facilities from the decompressor.
There is no technical reason which enforces to split patching of such
alternatives to the decompressor and the kernel.

This simplifies alternative handling a bit, since one alternative type is
removed.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
---
 arch/s390/include/asm/alternative.h | 6 +-----
 arch/s390/kernel/entry.S            | 2 +-
 2 files changed, 2 insertions(+), 6 deletions(-)
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Patch

diff --git a/arch/s390/include/asm/alternative.h b/arch/s390/include/asm/alternative.h
index de980c938a3e..73e781b56bfe 100644
--- a/arch/s390/include/asm/alternative.h
+++ b/arch/s390/include/asm/alternative.h
@@ -39,11 +39,7 @@ 
 #define ALT_TYPE_SHIFT		20
 #define ALT_CTX_SHIFT		28
 
-#define ALT_FACILITY_EARLY(facility)	(ALT_CTX_EARLY << ALT_CTX_SHIFT		| \
-					 ALT_TYPE_FACILITY << ALT_TYPE_SHIFT	| \
-					 (facility) << ALT_DATA_SHIFT)
-
-#define ALT_FACILITY(facility)		(ALT_CTX_LATE << ALT_CTX_SHIFT		| \
+#define ALT_FACILITY(facility)		(ALT_CTX_EARLY << ALT_CTX_SHIFT		| \
 					 ALT_TYPE_FACILITY << ALT_TYPE_SHIFT	| \
 					 (facility) << ALT_DATA_SHIFT)
 
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 749410cfdbc0..269436665d02 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -42,7 +42,7 @@  _LPP_OFFSET	= __LC_LPP
 
 	.macro LPSWEY address, lpswe
 	ALTERNATIVE_2 "b \lpswe;nopr", \
-		".insn siy,0xeb0000000071,\address,0", ALT_FACILITY_EARLY(193),		\
+		".insn siy,0xeb0000000071,\address,0", ALT_FACILITY(193),		\
 		__stringify(.insn siy,0xeb0000000071,LOWCORE_ALT_ADDRESS+\address,0),	\
 		ALT_LOWCORE
 	.endm