Searched hist:d768bd892fc8f066cd3aa000eb1867bcf32db0ee (Results 1 – 7 of 7) sorted by relevance
/openbmc/linux/arch/s390/kernel/ |
H A D | alternative.c | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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H A D | ipl.c | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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H A D | early.c | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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H A D | entry.S | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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H A D | smp.c | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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/openbmc/linux/arch/s390/include/asm/ |
H A D | processor.h | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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/openbmc/linux/arch/s390/ |
H A D | Kconfig | diff d768bd892fc8f066cd3aa000eb1867bcf32db0ee Tue Jan 16 00:11:45 CST 2018 Martin Schwidefsky <schwidefsky@de.ibm.com> s390: add options to change branch prediction behaviour for the kernel
Add the PPA instruction to the system entry and exit path to switch the kernel to a different branch prediction behaviour. The instructions are added via CPU alternatives and can be disabled with the "nospec" or the "nobp=0" kernel parameter. If the default behaviour selected with CONFIG_KERNEL_NOBP is set to "n" then the "nobp=1" parameter can be used to enable the changed kernel branch prediction.
Acked-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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