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Message-ID: <cf16e0900e10c5a39e11b590f5267a4b9c228060.1732266152.git.mchehab+huawei@kernel.org>
Date: Fri, 22 Nov 2024 10:11:31 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Igor Mammedov <imammedo@...hat.com>
Cc: Jonathan Cameron <Jonathan.Cameron@...wei.com>,
Shiju Jose <shiju.jose@...wei.com>,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
"Michael S. Tsirkin" <mst@...hat.com>,
Ani Sinha <anisinha@...hat.com>,
Dongjiu Geng <gengdongjiu1@...il.com>,
linux-kernel@...r.kernel.org,
qemu-arm@...gnu.org,
qemu-devel@...gnu.org
Subject: [PATCH v4 14/15] acpi/ghes: Change ghes fill logic to work with only one source
Extending to multiple sources require a BIOS pointer to the
beginning of the HEST table, which in turn requires a backward-compatible
code.
So, the current code supports only one source. Ensure that and simplify
the code.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
---
hw/acpi/ghes.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
index d99697b20164..b0b1865dc8d3 100644
--- a/hw/acpi/ghes.c
+++ b/hw/acpi/ghes.c
@@ -387,15 +387,13 @@ static void get_hw_error_offsets(uint64_t ghes_addr,
* As the current version supports only one source, the ack offset is
* just sizeof(uint64_t).
*/
- *read_ack_register_addr = ghes_addr +
- ACPI_GHES_ERROR_SOURCE_COUNT * sizeof(uint64_t);
+ *read_ack_register_addr = ghes_addr + sizeof(uint64_t);
}
void ghes_record_cper_errors(const void *cper, size_t len,
uint16_t source_id, Error **errp)
{
uint64_t cper_addr = 0, read_ack_register_addr = 0, read_ack_register;
- uint64_t start_addr;
AcpiGedState *acpi_ged_state;
AcpiGhesState *ags;
@@ -412,11 +410,9 @@ void ghes_record_cper_errors(const void *cper, size_t len,
}
ags = &acpi_ged_state->ghes_state;
- start_addr = le64_to_cpu(ags->hw_error_le);
-
- start_addr += source_id * sizeof(uint64_t);
-
- get_hw_error_offsets(start_addr, &cper_addr, &read_ack_register_addr);
+ assert(ACPI_GHES_ERROR_SOURCE_COUNT == 1);
+ get_hw_error_offsets(le64_to_cpu(ags->hw_error_le),
+ &cper_addr, &read_ack_register_addr);
cper_addr = le64_to_cpu(cper_addr);
if (!cper_addr) {
--
2.47.0
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