einj_mem_uc: Delete the checks for "advanced RAS" CPU models

These made sense in the early days of this tool when only a
few CPU models supported recovery from poisoned memory consumption.
But more new models support recovery than do not.

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 0 insertions, 50 deletions

diff --git a/einj_mem_uc.c b/einj_mem_uc.c
index 279fd11..72e26df 100644
--- a/einj_mem_uc.c
+++ b/einj_mem_uc.c
@@ -231,27 +231,6 @@ static void inject_smmu_tbu_fatal(unsigned long long addr, void *vaddr, int notr
 
 
 #ifdef __x86_64__
-static int is_advanced_ras(char *model, int modelnum)
-{
-	switch (modelnum) {
-	case 108: /* Ice Lake Xeon */
-		return 1;
-	}
-
-	if (strstr(model, "E7-"))
-		return 1;
-	if (strstr(model, "Platinum"))
-		return 1;
-	if (strstr(model, "Gold"))
-		return 1;
-
-	/* AMD EPYC, e.g. Milan, Genoa */
-	if (strstr(model, "EPYC"))
-		return 1;
-
-	return 0;
-}
-
 static void check_configuration(void)
 {
 	char	model[512];
@@ -271,42 +250,13 @@ static void check_configuration(void)
 		exit(1);
 	}
 	lcpus_persocket = ncpus / nsockets;
-	if (!force_flag && !is_advanced_ras(model, modelnum)) {
-		fprintf(stderr, "%s: warning: cpu may not support recovery\n", progname);
-		exit(1);
-	}
 }
 #elif __aarch64__
 
-static int is_advanced_ras(void)
-{
-	FILE	*fp = fopen(EINJ_VENDOR, "r");
-	struct	vendor_error_type_extension v;
-	int8_t	domain, bus, dev, func;
-	int ret;
-
-	ret = fscanf(fp, "%x:%x:%x.%x vendor_id=%x device_id=%x rev_id=%x\n",
-		&domain, &bus, &dev, &func,
-		 &v.vendor_id, &v.device_id, &v.rev_id);
-
-	if (ret != 7)
-		exit(1);
-
-	switch (v.vendor_id) {
-	case 0x1ded: /* Alibaba (China) Co., Ltd. */
-		return 1;
-	default:
-		fprintf(stderr, "%s: warning: unknown vendor, cpu may not support recovery\n", progname);
-		return 1;
-	}
-}
-
 static void check_configuration(void)
 {
 	if (!is_privileged() || !is_einj_support())
 		exit(1);
-	if (!is_advanced_ras())
-		exit(1);
 }
 #endif