jenna
/
kernel_samsung_sm7125
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[PATCH] ppc64: Remove redundant uses of physRpn_to_absRpn

Browse Source 
physRpn_to_absRpn is a no-op on non-iSeries platforms, remove the two
redundant calls.

There's only one caller on iSeries so fold the logic in there so we can get
rid of it completely.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
tirimbino
Michael Ellerman 20 years ago committed by Paul Mackerras
parent ce21795275
commit aefd16b0c5
4 changed files with 6 additions and 13 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 5
      arch/ppc64/kernel/iSeries_htab.c
  2. 3
      arch/ppc64/kernel/pSeries_lpar.c
  3. 3
      arch/ppc64/mm/hash_native.c
  4. 8
      include/asm-ppc64/abs_addr.h

5
arch/ppc64/kernel/iSeries_htab.c
Unescape View File

@ -41,6 +41,7 @@ static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
unsigned long prpn, unsigned long vflags,
unsigned long rflags)
{
unsigned long arpn;
long slot;
hpte_t lhpte;
int secondary = 0;
@ -70,8 +71,10 @@ static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
slot &= 0x7fffffffffffffff;
}
arpn = phys_to_abs(prpn << PAGE_SHIFT) >> PAGE_SHIFT;
lhpte.v = (va >> 23) << HPTE_V_AVPN_SHIFT | vflags | HPTE_V_VALID;
lhpte.r = (physRpn_to_absRpn(prpn) << HPTE_R_RPN_SHIFT) | rflags;
lhpte.r = (arpn << HPTE_R_RPN_SHIFT) | rflags;
/* Now fill in the actual HPTE */
HvCallHpt_addValidate(slot, secondary, &lhpte);

3
arch/ppc64/kernel/pSeries_lpar.c
Unescape View File

@ -278,7 +278,6 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
unsigned long va, unsigned long prpn,
unsigned long vflags, unsigned long rflags)
{
unsigned long arpn = physRpn_to_absRpn(prpn);
unsigned long lpar_rc;
unsigned long flags;
unsigned long slot;
@ -289,7 +288,7 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
if (vflags & HPTE_V_LARGE)
hpte_v &= ~(1UL << HPTE_V_AVPN_SHIFT);
hpte_r = (arpn << HPTE_R_RPN_SHIFT) | rflags;
hpte_r = (prpn << HPTE_R_RPN_SHIFT) | rflags;
/* Now fill in the actual HPTE */
/* Set CEC cookie to 0 */

3
arch/ppc64/mm/hash_native.c
Unescape View File

@ -51,7 +51,6 @@ long native_hpte_insert(unsigned long hpte_group, unsigned long va,
unsigned long prpn, unsigned long vflags,
unsigned long rflags)
{
unsigned long arpn = physRpn_to_absRpn(prpn);
hpte_t *hptep = htab_address + hpte_group;
unsigned long hpte_v, hpte_r;
int i;
@ -74,7 +73,7 @@ long native_hpte_insert(unsigned long hpte_group, unsigned long va,
hpte_v = (va >> 23) << HPTE_V_AVPN_SHIFT | vflags | HPTE_V_VALID;
if (vflags & HPTE_V_LARGE)
va &= ~(1UL << HPTE_V_AVPN_SHIFT);
hpte_r = (arpn << HPTE_R_RPN_SHIFT) | rflags;
hpte_r = (prpn << HPTE_R_RPN_SHIFT) | rflags;
hptep->r = hpte_r;
/* Guarantee the second dword is visible before the valid bit */

8
include/asm-ppc64/abs_addr.h
Unescape View File

@ -56,14 +56,6 @@ static inline unsigned long phys_to_abs(unsigned long pa)
return chunk_to_addr(chunk) + (pa & MSCHUNKS_OFFSET_MASK);
}
static inline unsigned long
physRpn_to_absRpn(unsigned long rpn)
{
unsigned long pa = rpn << PAGE_SHIFT;
unsigned long aa = phys_to_abs(pa);
return (aa >> PAGE_SHIFT);
}
/* A macro so it can take pointers or unsigned long. */
#define abs_to_phys(aa) lmb_abs_to_phys((unsigned long)(aa))

Write Preview
Loading…
Cancel
Save