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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-07 17:42:13 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-07 17:42:13 -0800
commitd2cb698f6896d4b3fc6794142a902d2647f7dbae (patch)
tree8ee6cea13abc3e007da1c62f24d4d1de4551ee3f /arch/x86
parent35a738fb5fd0fdd1cc7e749e3a45f1876ecd1db8 (diff)
parentf263245a0ce2c4e23b89a58fa5f7dfc048e11929 (diff)
downloadlinux-d2cb698f6896d4b3fc6794142a902d2647f7dbae.tar.bz2
Merge branch 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 kdump update from Ingo Molnar: "Add the AMD SME mask to the vmcoreinfo, and also document our vmcoreinfo fields" * 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: kdump: Document kernel data exported in the vmcoreinfo note x86/kdump: Export the SME mask to vmcoreinfo
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/machine_kexec_64.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index 4c8acdfdc5a7..ceba408ea982 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -352,6 +352,8 @@ void machine_kexec(struct kimage *image)
void arch_crash_save_vmcoreinfo(void)
{
+ u64 sme_mask = sme_me_mask;
+
VMCOREINFO_NUMBER(phys_base);
VMCOREINFO_SYMBOL(init_top_pgt);
vmcoreinfo_append_str("NUMBER(pgtable_l5_enabled)=%d\n",
@@ -364,6 +366,7 @@ void arch_crash_save_vmcoreinfo(void)
vmcoreinfo_append_str("KERNELOFFSET=%lx\n",
kaslr_offset());
VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE);
+ VMCOREINFO_NUMBER(sme_mask);
}
/* arch-dependent functionality related to kexec file-based syscall */