From: Masahiro Yamada <yamada.masah...@socionext.com>
[ Upstream commit 6d3ca7e73642ce17398f4cd5df1780da4a1ccdaf ]
With CONFIG_OPTIMIZE_INLINING enabled, Laura Abbott reported error
with gcc 9.1.1:
arch/powerpc/mm/book3s64/radix_tlb.c: In function '_tlbiel_pid':
arch/powerpc/mm/book3s64/radix_tlb.c:104:2: warning: asm operand 3 probably
doesn't match constraints
104 | asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
| ^~~
arch/powerpc/mm/book3s64/radix_tlb.c:104:2: error: impossible constraint in
'asm'
Fixing _tlbiel_pid() is enough to address the warning above, but I
inlined more functions to fix all potential issues.
To meet the "i" (immediate) constraint for the asm operands, functions
propagating "ric" must be always inlined.
Fixes: 9012d011660e ("compiler: allow all arches to enable
CONFIG_OPTIMIZE_INLINING")
Reported-by: Laura Abbott <labb...@redhat.com>
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
Reviewed-by: Christophe Leroy <christophe.le...@c-s.fr>
Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
arch/powerpc/mm/book3s64/hash_native.c | 2 +-
arch/powerpc/mm/book3s64/radix_tlb.c | 32 +++++++++++++-------------
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/arch/powerpc/mm/book3s64/hash_native.c
b/arch/powerpc/mm/book3s64/hash_native.c
index 30d62ffe3310..1322c59cb5dd 100644
--- a/arch/powerpc/mm/book3s64/hash_native.c
+++ b/arch/powerpc/mm/book3s64/hash_native.c
@@ -56,7 +56,7 @@ static inline void tlbiel_hash_set_isa206(unsigned int set,
unsigned int is)
* tlbiel instruction for hash, set invalidation
* i.e., r=1 and is=01 or is=10 or is=11
*/
-static inline void tlbiel_hash_set_isa300(unsigned int set, unsigned int is,
+static __always_inline void tlbiel_hash_set_isa300(unsigned int set, unsigned
int is,
unsigned int pid,
unsigned int ric, unsigned int prs)
{
diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c
b/arch/powerpc/mm/book3s64/radix_tlb.c
index bb9835681315..d0cd5271a57c 100644
--- a/arch/powerpc/mm/book3s64/radix_tlb.c
+++ b/arch/powerpc/mm/book3s64/radix_tlb.c
@@ -25,7 +25,7 @@
* tlbiel instruction for radix, set invalidation
* i.e., r=1 and is=01 or is=10 or is=11
*/
-static inline void tlbiel_radix_set_isa300(unsigned int set, unsigned int is,
+static __always_inline void tlbiel_radix_set_isa300(unsigned int set, unsigned
int is,
unsigned int pid,
unsigned int ric, unsigned int prs)
{
@@ -146,8 +146,8 @@ static __always_inline void __tlbie_lpid(unsigned long
lpid, unsigned long ric)
trace_tlbie(lpid, 0, rb, rs, ric, prs, r);
}
-static inline void __tlbiel_lpid_guest(unsigned long lpid, int set,
- unsigned long ric)
+static __always_inline void __tlbiel_lpid_guest(unsigned long lpid, int set,
+ unsigned long ric)
{
unsigned long rb,rs,prs,r;
@@ -163,8 +163,8 @@ static inline void __tlbiel_lpid_guest(unsigned long lpid,
int set,
}
-static inline void __tlbiel_va(unsigned long va, unsigned long pid,
- unsigned long ap, unsigned long ric)
+static __always_inline void __tlbiel_va(unsigned long va, unsigned long pid,
+ unsigned long ap, unsigned long ric)
{
unsigned long rb,rs,prs,r;
@@ -179,8 +179,8 @@ static inline void __tlbiel_va(unsigned long va, unsigned
long pid,
trace_tlbie(0, 1, rb, rs, ric, prs, r);
}
-static inline void __tlbie_va(unsigned long va, unsigned long pid,
- unsigned long ap, unsigned long ric)
+static __always_inline void __tlbie_va(unsigned long va, unsigned long pid,
+ unsigned long ap, unsigned long ric)
{
unsigned long rb,rs,prs,r;
@@ -195,8 +195,8 @@ static inline void __tlbie_va(unsigned long va, unsigned
long pid,
trace_tlbie(0, 0, rb, rs, ric, prs, r);
}
-static inline void __tlbie_lpid_va(unsigned long va, unsigned long lpid,
- unsigned long ap, unsigned long ric)
+static __always_inline void __tlbie_lpid_va(unsigned long va, unsigned long
lpid,
+ unsigned long ap, unsigned long ric)
{
unsigned long rb,rs,prs,r;
@@ -235,7 +235,7 @@ static inline void fixup_tlbie_lpid(unsigned long lpid)
/*
* We use 128 set in radix mode and 256 set in hpt mode.
*/
-static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
+static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
{
int set;
@@ -337,7 +337,7 @@ static inline void _tlbie_lpid(unsigned long lpid, unsigned
long ric)
asm volatile("eieio; tlbsync; ptesync": : :"memory");
}
-static inline void _tlbiel_lpid_guest(unsigned long lpid, unsigned long ric)
+static __always_inline void _tlbiel_lpid_guest(unsigned long lpid, unsigned
long ric)
{
int set;
@@ -377,8 +377,8 @@ static inline void __tlbiel_va_range(unsigned long start,
unsigned long end,
__tlbiel_va(addr, pid, ap, RIC_FLUSH_TLB);
}
-static inline void _tlbiel_va(unsigned long va, unsigned long pid,
- unsigned long psize, unsigned long ric)
+static __always_inline void _tlbiel_va(unsigned long va, unsigned long pid,
+ unsigned long psize, unsigned long ric)
{
unsigned long ap = mmu_get_ap(psize);
@@ -409,8 +409,8 @@ static inline void __tlbie_va_range(unsigned long start,
unsigned long end,
__tlbie_va(addr, pid, ap, RIC_FLUSH_TLB);
}
-static inline void _tlbie_va(unsigned long va, unsigned long pid,
- unsigned long psize, unsigned long ric)
+static __always_inline void _tlbie_va(unsigned long va, unsigned long pid,
+ unsigned long psize, unsigned long ric)
{
unsigned long ap = mmu_get_ap(psize);
@@ -420,7 +420,7 @@ static inline void _tlbie_va(unsigned long va, unsigned
long pid,
asm volatile("eieio; tlbsync; ptesync": : :"memory");
}
-static inline void _tlbie_lpid_va(unsigned long va, unsigned long lpid,
+static __always_inline void _tlbie_lpid_va(unsigned long va, unsigned long
lpid,
unsigned long psize, unsigned long ric)
{
unsigned long ap = mmu_get_ap(psize);
--
2.20.1
