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Date: Tue, 19 Dec 2023 17:57:37 +0100
From: Borislav Petkov <bp@...en8.de>
To: Yazen Ghannam <yazen.ghannam@....com>
Cc: linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
avadhut.naik@....com, tony.luck@...el.com, john.allen@....com,
william.roche@...cle.com, muralidhara.mk@....com
Subject: Re: [PATCH v4 1/3] RAS: Introduce AMD Address Translation Library
On Mon, Dec 18, 2023 at 01:04:04PM -0600, Yazen Ghannam wrote:
> +#define atl_debug(fmt, arg...) \
> + pr_debug("socket_id=%u die_id=%u coh_st_inst_id=%u norm_addr=0x%016llx: " fmt,\
> + ctx->inputs.socket_id, ctx->inputs.die_id,\
> + ctx->inputs.coh_st_inst_id, ctx->inputs.norm_addr, ##arg)
Yeah, you need to pass in "ctx" as a macro argument - otherwise it is
kinda sneaky and non-obvious to reference a pointer which is hidden
inside the macro definition.
Diff ontop:
---
diff --git a/drivers/ras/amd/atl/core.c b/drivers/ras/amd/atl/core.c
index 013aaee4e99c..6dc4e06305f7 100644
--- a/drivers/ras/amd/atl/core.c
+++ b/drivers/ras/amd/atl/core.c
@@ -31,7 +31,7 @@ static int addr_over_limit(struct addr_ctx *ctx)
/* Is calculated system address above DRAM limit address? */
if (ctx->ret_addr > dram_limit_addr) {
- atl_debug("Calculated address (0x%016llx) > DRAM limit (0x%016llx)",
+ atl_debug(ctx, "Calculated address (0x%016llx) > DRAM limit (0x%016llx)",
ctx->ret_addr, dram_limit_addr);
return -EINVAL;
}
diff --git a/drivers/ras/amd/atl/denormalize.c b/drivers/ras/amd/atl/denormalize.c
index fb182dd7cca6..01f1d0fb6799 100644
--- a/drivers/ras/amd/atl/denormalize.c
+++ b/drivers/ras/amd/atl/denormalize.c
@@ -339,7 +339,8 @@ static u16 get_logical_coh_st_fabric_id(struct addr_ctx *ctx)
}
if (log_fabric_id == MAX_COH_ST_CHANNELS)
- atl_debug("COH_ST remap entry not found for 0x%x", log_fabric_id);
+ atl_debug(ctx, "COH_ST remap entry not found for 0x%x",
+ log_fabric_id);
/* Get the Node ID bits from the physical and apply to the logical. */
return (phys_fabric_id & df_cfg.node_id_mask) | log_fabric_id;
diff --git a/drivers/ras/amd/atl/internal.h b/drivers/ras/amd/atl/internal.h
index a1996811aa34..f17c5f5c9950 100644
--- a/drivers/ras/amd/atl/internal.h
+++ b/drivers/ras/amd/atl/internal.h
@@ -279,10 +279,10 @@ static inline u64 remove_bits(u8 low_bit, u8 high_bit, u64 data)
return temp1 | temp2;
}
-#define atl_debug(fmt, arg...) \
+#define atl_debug(ctx, fmt, arg...) \
pr_debug("socket_id=%u die_id=%u coh_st_inst_id=%u norm_addr=0x%016llx: " fmt,\
- ctx->inputs.socket_id, ctx->inputs.die_id,\
- ctx->inputs.coh_st_inst_id, ctx->inputs.norm_addr, ##arg)
+ (ctx)->inputs.socket_id, (ctx)->inputs.die_id,\
+ (ctx)->inputs.coh_st_inst_id, (ctx)->inputs.norm_addr, ##arg)
static inline void atl_debug_on_bad_df_rev(void)
{
@@ -291,7 +291,7 @@ static inline void atl_debug_on_bad_df_rev(void)
static inline void atl_debug_on_bad_intlv_mode(struct addr_ctx *ctx)
{
- atl_debug("Unrecognized interleave mode: %u", ctx->map.intlv_mode);
+ atl_debug(ctx, "Unrecognized interleave mode: %u", ctx->map.intlv_mode);
}
#endif /* __AMD_ATL_INTERNAL_H__ */
diff --git a/drivers/ras/amd/atl/map.c b/drivers/ras/amd/atl/map.c
index d160662f534f..2ed477d94b4f 100644
--- a/drivers/ras/amd/atl/map.c
+++ b/drivers/ras/amd/atl/map.c
@@ -140,7 +140,7 @@ static int get_dram_offset(struct addr_ctx *ctx, u64 *norm_offset)
/* Should not be called for map 0. */
if (!ctx->map.num) {
- atl_debug("Trying to find DRAM offset for map 0");
+ atl_debug(ctx, "Trying to find DRAM offset for map 0");
return -EINVAL;
}
@@ -398,13 +398,13 @@ static int find_normalized_offset(struct addr_ctx *ctx, u64 *norm_offset)
/* Enabled offsets should never be 0. */
if (*norm_offset == 0) {
- atl_debug("Enabled map %u offset is 0", ctx->map.num);
+ atl_debug(ctx, "Enabled map %u offset is 0", ctx->map.num);
return -EINVAL;
}
/* Offsets should always increase from one map to the next. */
if (*norm_offset <= last_offset) {
- atl_debug("Map %u offset (0x%016llx) <= previous (0x%016llx)",
+ atl_debug(ctx, "Map %u offset (0x%016llx) <= previous (0x%016llx)",
ctx->map.num, *norm_offset, last_offset);
return -EINVAL;
}
diff --git a/drivers/ras/amd/atl/system.c b/drivers/ras/amd/atl/system.c
index 3b6b5a5ddaab..af61f2f1d6de 100644
--- a/drivers/ras/amd/atl/system.c
+++ b/drivers/ras/amd/atl/system.c
@@ -17,7 +17,7 @@ int determine_node_id(struct addr_ctx *ctx, u8 socket_id, u8 die_id)
u16 socket_id_bits, die_id_bits;
if (socket_id > 0 && df_cfg.socket_id_mask == 0) {
- atl_debug("Invalid socket inputs: socket_id=%u socket_id_mask=0x%x",
+ atl_debug(ctx, "Invalid socket inputs: socket_id=%u socket_id_mask=0x%x",
socket_id, df_cfg.socket_id_mask);
return -EINVAL;
}
@@ -28,7 +28,7 @@ int determine_node_id(struct addr_ctx *ctx, u8 socket_id, u8 die_id)
socket_id_bits &= df_cfg.socket_id_mask;
if (die_id > 0 && df_cfg.die_id_mask == 0) {
- atl_debug("Invalid die inputs: die_id=%u die_id_mask=0x%x",
+ atl_debug(ctx, "Invalid die inputs: die_id=%u die_id_mask=0x%x",
die_id, df_cfg.die_id_mask);
return -EINVAL;
}
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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