As previously done in dlpar_cpu_remove() for CPUs, this patch changes dlpar_memory_remove_by_ic() to unisolate the LMB DRC when the LMB is failed to be removed. The hypervisor, seeing a LMB DRC that was supposed to be removed being unisolated instead, can do error recovery on its side. This change is done in dlpar_memory_remove_by_ic() only because, as of today, only QEMU is using this code path for error recovery (via the PSERIES_HP_ELOG_ID_DRC_IC event). phyp treats it as a no-op. Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210512202809.95363-2-danielhb413@gmail.com
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. 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.
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