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author | Justin M. Forbes <jforbes@redhat.com> | 2012-04-02 15:44:23 -0500 |
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committer | Justin M. Forbes <jforbes@redhat.com> | 2012-04-02 15:44:23 -0500 |
commit | d8c9baa9103001162859031f9cb6a39eb39f9695 (patch) | |
tree | 19b3a83ed0fa487f62cd4ed6b1ac191cf799cfc3 /ACPICA-Fix-regression-in-FADT-revision-checks.patch | |
parent | 5e9e2f5b1611a0b2acd741e8dd9fb4bbf90106e2 (diff) | |
download | kernel-d8c9baa9103001162859031f9cb6a39eb39f9695.tar.gz kernel-d8c9baa9103001162859031f9cb6a39eb39f9695.tar.xz kernel-d8c9baa9103001162859031f9cb6a39eb39f9695.zip |
linux 3.4-rc1
Diffstat (limited to 'ACPICA-Fix-regression-in-FADT-revision-checks.patch')
-rw-r--r-- | ACPICA-Fix-regression-in-FADT-revision-checks.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/ACPICA-Fix-regression-in-FADT-revision-checks.patch b/ACPICA-Fix-regression-in-FADT-revision-checks.patch deleted file mode 100644 index d6b590389..000000000 --- a/ACPICA-Fix-regression-in-FADT-revision-checks.patch +++ /dev/null @@ -1,58 +0,0 @@ - commit 64b3db22c04586997ab4be46dd5a5b99f8a2d390 (2.6.39), -"Remove use of unreliable FADT revision field" causes regression -for old P4 systems because now cst_control and other fields are -not reset to 0. - - The effect is that acpi_processor_power_init will notice -cst_control != 0 and a write to CST_CNT register is performed -that should not happen. As result, the system oopses after the -"No _CST, giving up" message, sometimes in acpi_ns_internalize_name, -sometimes in acpi_ns_get_type, usually at random places. May be -during migration to CPU 1 in acpi_processor_get_throttling. - - Every one of these settings help to avoid this problem: - - acpi=off - - processor.nocst=1 - - maxcpus=1 - - The fix is to update acpi_gbl_FADT.header.length after -the original value is used to check for old revisions. - -Signed-off-by: Julian Anastasov <ja@ssi.bg> ---- - drivers/acpi/acpica/tbfadt.c | 8 ++++---- - 1 files changed, 4 insertions(+), 4 deletions(-) - -diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c -index c5d8704..4c9c760 100644 ---- a/drivers/acpi/acpica/tbfadt.c -+++ b/drivers/acpi/acpica/tbfadt.c -@@ -363,10 +363,6 @@ static void acpi_tb_convert_fadt(void) - u32 address32; - u32 i; - -- /* Update the local FADT table header length */ -- -- acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt); -- - /* - * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary. - * Later code will always use the X 64-bit field. Also, check for an -@@ -408,6 +404,10 @@ static void acpi_tb_convert_fadt(void) - acpi_gbl_FADT.boot_flags = 0; - } - -+ /* Update the local FADT table header length */ -+ -+ acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt); -+ - /* - * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X" - * generic address structures as necessary. Later code will always use --- -1.7.3.4 - --- -To unsubscribe from this list: send the line "unsubscribe linux-acpi" in -the body of a message to majordomo@vger.kernel.org -More majordomo info at http://vger.kernel.org/majordomo-info.html
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