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| author | Christophe Leroy | 2019-02-21 11:37:53 +0100 |
|---|---|---|
| committer | Michael Ellerman | 2019-02-21 14:10:16 +0100 |
| commit | 40058337f23f79212f92ed5ef066e90a032905b1 (patch) | |
| tree | 6a0dac2960e645805cc00134cbbabfff64664c9a /arch/powerpc/kernel/head_40x.S | |
| parent | powerpc/83xx: Also save/restore SPRG4-7 during suspend (diff) | |
| download | kernel-qcow2-linux-40058337f23f79212f92ed5ef066e90a032905b1.tar.gz kernel-qcow2-linux-40058337f23f79212f92ed5ef066e90a032905b1.tar.xz kernel-qcow2-linux-40058337f23f79212f92ed5ef066e90a032905b1.zip | |
powerpc: simplify BDI switch
There is no reason to re-read each time the pointer at
location 0xf0 as it is fixed and known.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/head_40x.S')
| -rw-r--r-- | arch/powerpc/kernel/head_40x.S | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S index b19d78410511..11dd09d0ce1a 100644 --- a/arch/powerpc/kernel/head_40x.S +++ b/arch/powerpc/kernel/head_40x.S @@ -953,9 +953,8 @@ _GLOBAL(set_context) /* Context switch the PTE pointer for the Abatron BDI2000. * The PGDIR is the second parameter. */ - lis r5, KERNELBASE@h - lwz r5, 0xf0(r5) - stw r4, 0x4(r5) + lis r5, abatron_pteptrs@ha + stw r4, abatron_pteptrs@l + 0x4(r5) #endif sync mtspr SPRN_PID,r3 |