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authorLianbo Jiang <lijiang@redhat.com>2018-09-30 11:10:31 +0800
committerBorislav Petkov <bp@suse.de>2018-10-06 12:01:51 +0200
commit9cf38d5559e813cccdba8b44c82cc46ba48d0896 (patch)
treef29e00aef58469ecc3046818690ece614f77fc2a /drivers/iommu
parentc3a7a61c192ec350330128edb13db33a9bc0ace1 (diff)
downloadlinux-9cf38d5559e813cccdba8b44c82cc46ba48d0896.tar.bz2
kexec: Allocate decrypted control pages for kdump if SME is enabled
When SME is enabled in the first kernel, it needs to allocate decrypted pages for kdump because when the kdump kernel boots, these pages need to be accessed decrypted in the initial boot stage, before SME is enabled. [ bp: clean up text. ] Signed-off-by: Lianbo Jiang <lijiang@redhat.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com> Cc: kexec@lists.infradead.org Cc: tglx@linutronix.de Cc: mingo@redhat.com Cc: hpa@zytor.com Cc: akpm@linux-foundation.org Cc: dan.j.williams@intel.com Cc: bhelgaas@google.com Cc: baiyaowei@cmss.chinamobile.com Cc: tiwai@suse.de Cc: brijesh.singh@amd.com Cc: dyoung@redhat.com Cc: bhe@redhat.com Cc: jroedel@suse.de Link: https://lkml.kernel.org/r/20180930031033.22110-3-lijiang@redhat.com
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