Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Conflicts:

net/unix/garbage.c
  47d8ac011fe1 ("af_unix: Fix garbage collector racing against connect()")
  4090fa373f0e ("af_unix: Replace garbage collection algorithm.")

Adjacent changes:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
  faa12ca24558 ("bnxt_en: Reset PTP tx_avail after possible firmware reset")
  b3d0083caf9a ("bnxt_en: Support RSS contexts in ethtool .{get|set}_rxfh()")

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
  7ac10c7d728d ("bnxt_en: Fix possible memory leak in bnxt_rdma_aux_device_init()")
  194fad5b2781 ("bnxt_en: Refactor bnxt_rdma_aux_device_init/uninit functions")

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
  958f56e48385 ("net/mlx5e: Un-expose functions in en.h")
  49e6c9387051 ("net/mlx5e: RSS, Block XOR hash with over 128 channels")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 18 insertions, 8 deletions

diff --git a/arch/x86/virt/svm/sev.c b/arch/x86/virt/svm/sev.c
index cffe1157a90a..ab0e8448bb6e 100644
--- a/arch/x86/virt/svm/sev.c
+++ b/arch/x86/virt/svm/sev.c
@@ -77,7 +77,7 @@ static int __mfd_enable(unsigned int cpu)
 {
 	u64 val;
 
-	if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+	if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
 		return 0;
 
 	rdmsrl(MSR_AMD64_SYSCFG, val);
@@ -98,7 +98,7 @@ static int __snp_enable(unsigned int cpu)
 {
 	u64 val;
 
-	if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+	if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
 		return 0;
 
 	rdmsrl(MSR_AMD64_SYSCFG, val);
@@ -174,11 +174,11 @@ static int __init snp_rmptable_init(void)
 	u64 rmptable_size;
 	u64 val;
 
-	if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+	if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
 		return 0;
 
 	if (!amd_iommu_snp_en)
-		return 0;
+		goto nosnp;
 
 	if (!probed_rmp_size)
 		goto nosnp;
@@ -225,7 +225,7 @@ skip_enable:
 	return 0;
 
 nosnp:
-	setup_clear_cpu_cap(X86_FEATURE_SEV_SNP);
+	cc_platform_clear(CC_ATTR_HOST_SEV_SNP);
 	return -ENOSYS;
 }
 
@@ -246,7 +246,7 @@ static struct rmpentry *__snp_lookup_rmpentry(u64 pfn, int *level)
 {
 	struct rmpentry *large_entry, *entry;
 
-	if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+	if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
 		return ERR_PTR(-ENODEV);
 
 	entry = get_rmpentry(pfn);
@@ -363,7 +363,7 @@ int psmash(u64 pfn)
 	unsigned long paddr = pfn << PAGE_SHIFT;
 	int ret;
 
-	if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+	if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
 		return -ENODEV;
 
 	if (!pfn_valid(pfn))
@@ -472,7 +472,7 @@ static int rmpupdate(u64 pfn, struct rmp_state *state)
 	unsigned long paddr = pfn << PAGE_SHIFT;
 	int ret, level;
 
-	if (!cpu_feature_enabled(X86_FEATURE_SEV_SNP))
+	if (!cc_platform_has(CC_ATTR_HOST_SEV_SNP))
 		return -ENODEV;
 
 	level = RMP_TO_PG_LEVEL(state->pagesize);
@@ -558,3 +558,13 @@ void snp_leak_pages(u64 pfn, unsigned int npages)
 	spin_unlock(&snp_leaked_pages_list_lock);
 }
 EXPORT_SYMBOL_GPL(snp_leak_pages);
+
+void kdump_sev_callback(void)
+{
+	/*
+	 * Do wbinvd() on remote CPUs when SNP is enabled in order to
+	 * safely do SNP_SHUTDOWN on the local CPU.
+	 */
+	if (cc_platform_has(CC_ATTR_HOST_SEV_SNP))
+		wbinvd();
+}