diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2018-07-06 12:35:56 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-07-06 12:35:56 +0200 |
| commit | 8f63e9230decb06ea9068feaf0845c0eb39ab890 (patch) | |
| tree | a45cee821404ab0c7f7164e20c2f40f5e34ac16b /arch/x86/kernel/quirks.c | |
| parent | 58ec5e9c9044bd7e1c0bcc6ad822b2e909f49732 (diff) | |
| parent | 1268ed0c474a5c8f165ef386f3310521b5e00e27 (diff) | |
Merge branch 'x86/urgent' into x86/hyperv
Integrate the upstream bug fix to resolve the resulting conflict in
__send_ipi_mask().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/quirks.c')
| -rw-r--r-- | arch/x86/kernel/quirks.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/kernel/quirks.c b/arch/x86/kernel/quirks.c index 697a4ce04308..736348ead421 100644 --- a/arch/x86/kernel/quirks.c +++ b/arch/x86/kernel/quirks.c @@ -645,12 +645,19 @@ static void quirk_intel_brickland_xeon_ras_cap(struct pci_dev *pdev) /* Skylake */ static void quirk_intel_purley_xeon_ras_cap(struct pci_dev *pdev) { - u32 capid0; + u32 capid0, capid5; pci_read_config_dword(pdev, 0x84, &capid0); + pci_read_config_dword(pdev, 0x98, &capid5); - if ((capid0 & 0xc0) == 0xc0) + /* + * CAPID0{7:6} indicate whether this is an advanced RAS SKU + * CAPID5{8:5} indicate that various NVDIMM usage modes are + * enabled, so memory machine check recovery is also enabled. + */ + if ((capid0 & 0xc0) == 0xc0 || (capid5 & 0x1e0)) static_branch_inc(&mcsafe_key); + } DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x0ec3, quirk_intel_brickland_xeon_ras_cap); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2fc0, quirk_intel_brickland_xeon_ras_cap); |