Re: [PATCH 1/6] RAS: ACPI: APEI: add conditional compilation to ARM error report functions

From: Borislav Petkov
Date: Mon Jul 08 2024 - 10:43:49 EST


On Mon, Jul 08, 2024 at 02:10:25PM +0200, Mauro Carvalho Chehab wrote:
> This patch itself just add conditionals to optimize out code on
> non-ARM architectures. The next one will add some ARM-specific bits
> inside ARM processor CPER trace, thus causing compilation breakages
> on non-ARM, due to arm-specific kAPI bits that will be used then.

Are you sure?

I have both patches applied and then practically reverting the second one
builds an allmodconfig just fine.

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 90efca025d27..524fea3f4f76 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -532,7 +532,6 @@ static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata,
int sev, bool sync)
{
bool queued = false;
-#if defined(CONFIG_ARM) || defined (CONFIG_ARM64)
struct cper_sec_proc_arm *err = acpi_hest_get_payload(gdata);
int flags = sync ? MF_ACTION_REQUIRED : 0;
int sec_sev, i;
@@ -570,7 +569,6 @@ static bool ghes_handle_arm_hw_error(struct acpi_hest_generic_data *gdata,
error_type);
p += err_info->length;
}
-#endif
return queued;
}

diff --git a/drivers/ras/ras.c b/drivers/ras/ras.c
index 75acc09bc96a..359bb163aee0 100644
--- a/drivers/ras/ras.c
+++ b/drivers/ras/ras.c
@@ -54,7 +54,6 @@ void log_non_standard_event(const guid_t *sec_type, const guid_t *fru_id,

void log_arm_hw_error(struct cper_sec_proc_arm *err, const u8 sev)
{
-#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
struct cper_arm_err_info *err_info;
struct cper_arm_ctx_info *ctx_info;
u8 *ven_err_data;
@@ -97,7 +96,6 @@ void log_arm_hw_error(struct cper_sec_proc_arm *err, const u8 sev)

trace_arm_event(err, pei_err, pei_len, ctx_err, ctx_len,
ven_err_data, (u32)vsei_len, sev, cpu);
-#endif
}

static int __init ras_init(void)

--
Regards/Gruss,
Boris.

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