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| author | LEROY Christophe <christophe.leroy@c-s.fr> | 2015-01-20 10:57:33 +0100 |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2015-01-30 04:58:01 +0100 |
| commit | 2374d0af29c154d6d989987a94278caed8c13be5 (patch) | |
| tree | 47d8aeac4a1697a6973284738f09a79b194bea4a /arch/powerpc/kernel/head_8xx.S | |
| parent | powerpc/8xx: reduce pressure on TLB due to context switches (diff) | |
| download | linux-2374d0af29c154d6d989987a94278caed8c13be5.tar.xz linux-2374d0af29c154d6d989987a94278caed8c13be5.zip | |
powerpc/8xx: remove remaining unnecessary code in FixupDAR
Since commit 33fb845a6f01 ("powerpc/8xx: Don't use MD_TWC for walk"), MD_EPN and
MD_TWC are not writen anymore in FixupDAR so saving r3 has become useless.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'arch/powerpc/kernel/head_8xx.S')
| -rw-r--r-- | arch/powerpc/kernel/head_8xx.S | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index 65492d043964..73715cd0de45 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -529,9 +529,6 @@ DARFixed:/* Return from dcbx instruction bug workaround */ /* define if you don't want to use self modifying code */ #define NO_SELF_MODIFYING_CODE FixupDAR:/* Entry point for dcbx workaround. */ -#ifdef CONFIG_8xx_CPU6 - mtspr SPRN_DAR, r3 -#endif mtspr SPRN_SPRG_SCRATCH2, r10 /* fetch instruction from memory. */ mfspr r10, SPRN_SRR0 @@ -548,9 +545,6 @@ FixupDAR:/* Entry point for dcbx workaround. */ /* Extract level 2 index */ rlwinm r11, r11, 32 - (PAGE_SHIFT - 2), 32 - PAGE_SHIFT, 29 lwzx r11, r10, r11 /* Get the pte */ -#ifdef CONFIG_8xx_CPU6 - mfspr r3, SPRN_DAR -#endif /* concat physical page address(r11) and page offset(r10) */ mfspr r10, SPRN_SRR0 rlwimi r11, r10, 0, 32 - PAGE_SHIFT, 31 |