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A mirror of the official Linux kernel repository just in case
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During a kdump kernel boot in PowerPC, we request a reset of the PHBs to the FW. It makes sense, since if we are booting a kdump kernel it means we had some trouble before and we cannot rely in the adapters' health; they could be in a bad state, hence the reset is needed. But this reset is useful not only in kdump - there are situations, specially when debugging drivers, that we could break an adapter in a way it requires such reset. One can tell to just go ahead and reboot the machine, but happens that many times doing kexec is much faster, and so preferable than a full power cycle. This patch adds the ppc_pci_reset_phbs parameter to perform such reset. Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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| kernel | ||
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.