linux-kernel - [PATCH] crypto: ccp: Don't initialize CCP for PSP 0x1649

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230403173801.2593-1-mario.limonciello@amd.com>
Date:   Mon, 3 Apr 2023 12:38:01 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     Tom Lendacky <thomas.lendacky@....com>,
        John Allen <john.allen@....com>
CC:     Mario Limonciello <mario.limonciello@....com>,
        <stable@...r.kernel.org>, Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        <linux-crypto@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] crypto: ccp: Don't initialize CCP for PSP 0x1649

A number of platforms are emitting the error:
```ccp: unable to access the device: you might be running a broken BIOS.```

This is expected behavior as CCP is no longer accessible from the PSP's
PCIe BAR so stop trying to probe CCP for 0x1649.

Cc: stable@...r.kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/crypto/ccp/sp-pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
index 084d052fddcc..55411b494d69 100644
--- a/drivers/crypto/ccp/sp-pci.c
+++ b/drivers/crypto/ccp/sp-pci.c
@@ -451,9 +451,9 @@ static const struct pci_device_id sp_pci_table[] = {
 	{ PCI_VDEVICE(AMD, 0x1468), (kernel_ulong_t)&dev_vdata[2] },
 	{ PCI_VDEVICE(AMD, 0x1486), (kernel_ulong_t)&dev_vdata[3] },
 	{ PCI_VDEVICE(AMD, 0x15DF), (kernel_ulong_t)&dev_vdata[4] },
-	{ PCI_VDEVICE(AMD, 0x1649), (kernel_ulong_t)&dev_vdata[4] },
 	{ PCI_VDEVICE(AMD, 0x14CA), (kernel_ulong_t)&dev_vdata[5] },
 	{ PCI_VDEVICE(AMD, 0x15C7), (kernel_ulong_t)&dev_vdata[6] },
+	{ PCI_VDEVICE(AMD, 0x1649), (kernel_ulong_t)&dev_vdata[6] },
 	/* Last entry must be zero */
 	{ 0, }
 };
-- 
2.34.1