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powerpc/32s: Rename PTE_SIZE to PTE_T_SIZE

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PTE_SIZE means PTE page table size in most placed, whereas
in hash_low.S in means size of one entry in the table.

Rename it PTE_T_SIZE, and define it directly in hash_low.S
instead of going through asm-offsets.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/83a008a9fd6cc3f2bbcb470f592555d260ed7a3d.1623063174.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2021-06-07 10:56:06 +00:00 • committed by Michael Ellerman
parent e72421a085
commit 91e9ee7e94
2 changed files with 4 additions and 4 deletions
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2
arch/powerpc/kernel/asm-offsets.c
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@ -354,8 +354,6 @@ int main(void)
DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
#endif
DEFINE(PTE_SIZE, sizeof(pte_t));
#ifdef CONFIG_KVM
OFFSET(VCPU_HOST_STACK, kvm_vcpu, arch.host_stack);
OFFSET(VCPU_HOST_PID, kvm_vcpu, arch.host_pid);

6
arch/powerpc/mm/book3s32/hash_low.S
View file

@ -27,8 +27,10 @@
#include <asm/code-patching-asm.h>
#ifdef CONFIG_PTE_64BIT
#define PTE_T_SIZE 8
#define PTE_FLAGS_OFFSET 4 /* offset of PTE flags, in bytes */
#else
#define PTE_T_SIZE 4
#define PTE_FLAGS_OFFSET 0
#endif
@ -488,7 +490,7 @@ _GLOBAL(flush_hash_pages)
bne 2f
ble cr1,19f
addi r4,r4,0x1000
addi r5,r5,PTE_SIZE
addi r5,r5,PTE_T_SIZE
addi r6,r6,-1
b 1b
@ -573,7 +575,7 @@ _GLOBAL(flush_hash_pages)
8: ble cr1,9f /* if all ptes checked */
81: addi r6,r6,-1
addi r5,r5,PTE_SIZE
addi r5,r5,PTE_T_SIZE
addi r4,r4,0x1000
lwz r0,0(r5) /* check next pte */
cmpwi cr1,r6,1