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authorSteven Chen <chenste@linux.microsoft.com>2025-04-22 01:25:09 +0300
committerMimi Zohar <zohar@linux.ibm.com>2025-04-29 22:54:53 +0300
commit0091d9241ea24c5275be4a3e5a032862fd9de9ec (patch)
treec9bc30f0ff6c9aeeca8ea1479e0c077bfdd5c239 /scripts/lib/kdoc/kdoc_files.py
parentc95e1acb6d7f00efab73e41b31e0560751e3f469 (diff)
downloadlinux-0091d9241ea24c5275be4a3e5a032862fd9de9ec.tar.xz
kexec: define functions to map and unmap segments
Implement kimage_map_segment() to enable IMA to map the measurement log list to the kimage structure during the kexec 'load' stage. This function gathers the source pages within the specified address range, and maps them to a contiguous virtual address range. This is a preparation for later usage. Implement kimage_unmap_segment() for unmapping segments using vunmap(). Cc: Eric Biederman <ebiederm@xmission.com> Cc: Baoquan He <bhe@redhat.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Dave Young <dyoung@redhat.com> Co-developed-by: Tushar Sugandhi <tusharsu@linux.microsoft.com> Signed-off-by: Tushar Sugandhi <tusharsu@linux.microsoft.com> Signed-off-by: Steven Chen <chenste@linux.microsoft.com> Acked-by: Baoquan He <bhe@redhat.com> Tested-by: Stefan Berger <stefanb@linux.ibm.com> # ppc64/kvm Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
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