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Move KHO to kernel/liveupdate/ in preparation of placing all Live Update core kernel related files to the same place. [pasha.tatashin@soleen.com: disable the menu when DEFERRED_STRUCT_PAGE_INIT] Link: https://lkml.kernel.org/r/CA+CK2bAvh9Oa2SLfsbJ8zztpEjrgr_hr-uGgF1coy8yoibT39A@mail.gmail.com Link: https://lkml.kernel.org/r/20251101142325.1326536-8-pasha.tatashin@soleen.com Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Cc: Alexander Graf <graf@amazon.com> Cc: Changyuan Lyu <changyuanl@google.com> Cc: Christian Brauner <brauner@kernel.org> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Masahiro Yamada <masahiroy@kernel.org> Cc: Miguel Ojeda <ojeda@kernel.org> Cc: Pratyush Yadav <pratyush@kernel.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Simon Horman <horms@kernel.org> Cc: Tejun Heo <tj@kernel.org> Cc: Zhu Yanjun <yanjun.zhu@linux.dev> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
26 lines
622 B
C
26 lines
622 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* kexec_handover_debug.c - kexec handover optional debug functionality
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* Copyright (C) 2025 Google LLC, Pasha Tatashin <pasha.tatashin@soleen.com>
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*/
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#define pr_fmt(fmt) "KHO: " fmt
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#include "kexec_handover_internal.h"
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bool kho_scratch_overlap(phys_addr_t phys, size_t size)
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{
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phys_addr_t scratch_start, scratch_end;
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unsigned int i;
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for (i = 0; i < kho_scratch_cnt; i++) {
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scratch_start = kho_scratch[i].addr;
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scratch_end = kho_scratch[i].addr + kho_scratch[i].size;
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if (phys < scratch_end && (phys + size) > scratch_start)
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return true;
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}
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return false;
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}
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