139 lines
5.0 KiB
Diff
139 lines
5.0 KiB
Diff
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commit a8c776ed94f68ae31d7b5f74e19545698898c13c
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Author: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Date: Tue Aug 14 13:06:27 2018 -0300
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mce-intel-*: fix a warning when using FIELD(<num>, NULL)
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Internally, FIELD() macro checks the size of an array, by
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using ARRAY_SIZE. Well, this macro causes a division by zero
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if NULL is used, as its type is void, as warned:
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mce-intel-dunnington.c:30:2: note: in expansion of macro ‘FIELD’
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FIELD(17, NULL),
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^~~~~
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ras-mce-handler.h:28:33: warning: division ‘sizeof (void *) / sizeof (void)’ does not compute the number of array elements [-Wsizeof-pointer-div]
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof(*(x)))
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^
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bitfield.h:37:51: note: in expansion of macro ‘ARRAY_SIZE’
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#define FIELD(start_bit, name) { start_bit, name, ARRAY_SIZE(name) }
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^~~~~~~~~~
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While this warning is harmless, it may prevent seeing more serios
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warnings. So, add a FIELD_NULL(<num>) macro to avoid that.
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Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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diff --git a/bitfield.h b/bitfield.h
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index c7dfeb1..fccbb36 100644
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--- a/bitfield.h
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+++ b/bitfield.h
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@@ -35,6 +35,7 @@ struct numfield {
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};
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#define FIELD(start_bit, name) { start_bit, name, ARRAY_SIZE(name) }
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+#define FIELD_NULL(start_bit) { start_bit, NULL, 0 }
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#define SBITFIELD(start_bit, string) { start_bit, ((char * [2]) { NULL, string }), 2 }
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#define NUMBER(start, end, name) { start, end, name, "%Lu", 0 }
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diff --git a/mce-intel-dunnington.c b/mce-intel-dunnington.c
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index 4b1c7e3..c695c62 100644
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--- a/mce-intel-dunnington.c
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+++ b/mce-intel-dunnington.c
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@@ -27,14 +27,14 @@
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static struct field dunnington_bus_status[] = {
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SBITFIELD(16, "Parity error detected during FSB request phase"),
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- FIELD(17, NULL),
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+ FIELD_NULL(17),
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SBITFIELD(20, "Hard Failure response received for a local transaction"),
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SBITFIELD(21, "Parity error on FSB response field detected"),
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SBITFIELD(22, "Parity data error on inbound data detected"),
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- FIELD(23, NULL),
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- FIELD(25, NULL),
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- FIELD(28, NULL),
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- FIELD(31, NULL),
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+ FIELD_NULL(23),
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+ FIELD_NULL(25),
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+ FIELD_NULL(28),
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+ FIELD_NULL(31),
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{}
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};
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diff --git a/mce-intel-p4-p6.c b/mce-intel-p4-p6.c
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index 4615e1a..5c6c3ff 100644
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--- a/mce-intel-p4-p6.c
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+++ b/mce-intel-p4-p6.c
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@@ -60,7 +60,7 @@ static char *bus_queue_error_type[] = {
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};
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static struct field p6_shared_status[] = {
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- FIELD(16, NULL),
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+ FIELD_NULL(16),
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FIELD(19, bus_queue_req_type),
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FIELD(25, bus_queue_error_type),
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FIELD(25, bus_queue_error_type),
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@@ -68,7 +68,7 @@ static struct field p6_shared_status[] = {
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SBITFIELD(36, "received parity error on response transaction"),
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SBITFIELD(38, "timeout BINIT (ROB timeout)."
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" No micro-instruction retired for some time"),
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- FIELD(39, NULL),
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+ FIELD_NULL(39),
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SBITFIELD(42, "bus transaction received hard error response"),
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SBITFIELD(43, "failure that caused IERR"),
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/* The following are reserved for Core in the SDM. Let's keep them here anyways*/
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@@ -76,15 +76,15 @@ static struct field p6_shared_status[] = {
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SBITFIELD(45, "uncorrectable ECC error"),
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SBITFIELD(46, "correctable ECC error"),
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/* [47..54]: ECC syndrome */
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- FIELD(55, NULL),
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+ FIELD_NULL(55),
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{},
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};
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static struct field p6old_status[] = {
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SBITFIELD(28, "FRC error"),
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SBITFIELD(29, "BERR on this CPU"),
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- FIELD(31, NULL),
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- FIELD(32, NULL),
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+ FIELD_NULL(31),
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+ FIELD_NULL(32),
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SBITFIELD(35, "BINIT received from external bus"),
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SBITFIELD(37, "Received hard error reponse on split transaction (Bus BINIT)"),
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{}
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@@ -94,9 +94,9 @@ static struct field core2_status[] = {
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SBITFIELD(28, "MCE driven"),
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SBITFIELD(29, "MCE is observed"),
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SBITFIELD(31, "BINIT observed"),
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- FIELD(32, NULL),
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+ FIELD_NULL(32),
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SBITFIELD(34, "PIC or FSB data parity error"),
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- FIELD(35, NULL),
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+ FIELD_NULL(35),
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SBITFIELD(37, "FSB address parity error detected"),
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{}
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};
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diff --git a/mce-intel-tulsa.c b/mce-intel-tulsa.c
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index 6cea421..e59bf06 100644
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--- a/mce-intel-tulsa.c
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+++ b/mce-intel-tulsa.c
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@@ -39,7 +39,7 @@ static struct field tls_bus_status[] = {
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SBITFIELD(16, "Parity error detected during FSB request phase"),
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SBITFIELD(17, "Partity error detected on Core 0 request's address field"),
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SBITFIELD(18, "Partity error detected on Core 1 request's address field"),
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- FIELD(19, NULL),
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+ FIELD_NULL(19),
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SBITFIELD(20, "Parity error on FSB response field detected"),
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SBITFIELD(21, "FSB data parity error on inbound date detected"),
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SBITFIELD(22, "Data parity error on data received from Core 0 detected"),
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@@ -48,8 +48,8 @@ static struct field tls_bus_status[] = {
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SBITFIELD(25, "Data ECC event to error on inbound data correctable or uncorrectable"),
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SBITFIELD(26, "Pad logic detected a data strobe glitch or sequencing error"),
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SBITFIELD(27, "Pad logic detected a request strobe glitch or sequencing error"),
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- FIELD(28, NULL),
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- FIELD(31, NULL),
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+ FIELD_NULL(28),
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+ FIELD_NULL(31),
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{}
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};
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