Searched hist:"46 f9caf1a246a5c0622fa8cc7e673658e925f97e" (Results 1 – 6 of 6) sorted by relevance
| /openbmc/linux/arch/powerpc/kernel/ |
| H A D | cpu_setup_power.c | diff 46f9caf1a246a5c0622fa8cc7e673658e925f97e Tue Nov 23 03:51:47 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: Keep AMOR SPR a constant ~0 at runtime
This register controls supervisor SPR modifications, and as such is only
relevant for KVM. KVM always sets AMOR to ~0 on guest entry, and never
restores it coming back out to the host, so it can be kept constant and
avoid the mtSPR in KVM guest entry.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-10-npiggin@gmail.com
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| H A D | dt_cpu_ftrs.c | diff 46f9caf1a246a5c0622fa8cc7e673658e925f97e Tue Nov 23 03:51:47 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: Keep AMOR SPR a constant ~0 at runtime
This register controls supervisor SPR modifications, and as such is only
relevant for KVM. KVM always sets AMOR to ~0 on guest entry, and never
restores it coming back out to the host, so it can be kept constant and
avoid the mtSPR in KVM guest entry.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-10-npiggin@gmail.com
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| /openbmc/linux/arch/powerpc/kvm/ |
| H A D | book3s_hv_p9_entry.c | diff 46f9caf1a246a5c0622fa8cc7e673658e925f97e Tue Nov 23 03:51:47 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: Keep AMOR SPR a constant ~0 at runtime
This register controls supervisor SPR modifications, and as such is only
relevant for KVM. KVM always sets AMOR to ~0 on guest entry, and never
restores it coming back out to the host, so it can be kept constant and
avoid the mtSPR in KVM guest entry.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-10-npiggin@gmail.com
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| H A D | book3s_hv_rmhandlers.S | diff 46f9caf1a246a5c0622fa8cc7e673658e925f97e Tue Nov 23 03:51:47 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: Keep AMOR SPR a constant ~0 at runtime
This register controls supervisor SPR modifications, and as such is only
relevant for KVM. KVM always sets AMOR to ~0 on guest entry, and never
restores it coming back out to the host, so it can be kept constant and
avoid the mtSPR in KVM guest entry.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-10-npiggin@gmail.com
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| /openbmc/linux/arch/powerpc/mm/book3s64/ |
| H A D | radix_pgtable.c | diff 46f9caf1a246a5c0622fa8cc7e673658e925f97e Tue Nov 23 03:51:47 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: Keep AMOR SPR a constant ~0 at runtime
This register controls supervisor SPR modifications, and as such is only
relevant for KVM. KVM always sets AMOR to ~0 on guest entry, and never
restores it coming back out to the host, so it can be kept constant and
avoid the mtSPR in KVM guest entry.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-10-npiggin@gmail.com
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| /openbmc/linux/arch/powerpc/platforms/powernv/ |
| H A D | idle.c | diff 46f9caf1a246a5c0622fa8cc7e673658e925f97e Tue Nov 23 03:51:47 CST 2021 Nicholas Piggin <npiggin@gmail.com> powerpc/64s: Keep AMOR SPR a constant ~0 at runtime
This register controls supervisor SPR modifications, and as such is only
relevant for KVM. KVM always sets AMOR to ~0 on guest entry, and never
restores it coming back out to the host, so it can be kept constant and
avoid the mtSPR in KVM guest entry.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211123095231.1036501-10-npiggin@gmail.com
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