From: Greg Kroah-Hartman Date: Tue, 20 Nov 2018 09:11:17 +0000 (+0100) Subject: 4.18-stable patches X-Git-Tag: v4.19.3~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bc6f59ed0b1a33400381d1c6508640d740b4e9a6;p=thirdparty%2Fkernel%2Fstable-queue.git 4.18-stable patches added patches: revert-acpica-aml-interpreter-add-region-addresses-in.patch --- diff --git a/queue-4.18/revert-acpica-aml-interpreter-add-region-addresses-in.patch b/queue-4.18/revert-acpica-aml-interpreter-add-region-addresses-in.patch new file mode 100644 index 00000000000..bd1ed62b951 --- /dev/null +++ b/queue-4.18/revert-acpica-aml-interpreter-add-region-addresses-in.patch @@ -0,0 +1,56 @@ +From 4958acb345ce568e7757b5be1f1b7470c792dc2b Mon Sep 17 00:00:00 2001 +From: Greg Kroah-Hartman +Date: Tue, 20 Nov 2018 10:08:18 +0100 +Subject: Revert "ACPICA: AML interpreter: add region addresses in global list during initialization" + +From: Greg Kroah-Hartman + +This reverts commit 7876d54ad642fbbd1857d37528aa1ec8c5a2c592 which is +commit 4abb951b73ff0a8a979113ef185651aa3c8da19b upstream. + +Jean writes: + + This commit was tagged with: + + Link: https://bugzilla.kernel.org/show_bug.cgi?id=200011 + Tested-by: Jean-Marc Lenoir + Cc: All applicable + + making it sound like it was fixing an actual bug. This is not the case. + The commit fixes a side issue discovered while investigating bug + #200011. It does NOT fix bug #200011 itself (as explicitly reported by + Jean-Marc at https://bugzilla.kernel.org/show_bug.cgi?id=200011#c65 ). + + It does however cause regressions, despite what the commit message says. See: + + https://bugzilla.kernel.org/show_bug.cgi?id=201721 + + and I expect more similar regressions, as ACPI resource conflicts are + very frequent. + + This commit was not stable material to start with. It is intrusive, + presents a risk of side effects, and does not solve an actual bug that + is bothering users. + +Reported-by: Jean Delvare +Cc: Jean-Marc Lenoir +Cc: Erik Schmauss +Cc: Rafael J. Wysocki +Signed-off-by: Greg Kroah-Hartman +--- + drivers/acpi/acpica/dsopcode.c | 4 ---- + 1 file changed, 4 deletions(-) + +--- a/drivers/acpi/acpica/dsopcode.c ++++ b/drivers/acpi/acpica/dsopcode.c +@@ -417,10 +417,6 @@ acpi_ds_eval_region_operands(struct acpi + ACPI_FORMAT_UINT64(obj_desc->region.address), + obj_desc->region.length)); + +- status = acpi_ut_add_address_range(obj_desc->region.space_id, +- obj_desc->region.address, +- obj_desc->region.length, node); +- + /* Now the address and length are valid for this opregion */ + + obj_desc->region.flags |= AOPOBJ_DATA_VALID; diff --git a/queue-4.18/series b/queue-4.18/series index 89b24767ec7..94a2b858fa0 100644 --- a/queue-4.18/series +++ b/queue-4.18/series @@ -168,3 +168,4 @@ drm-i915-ringbuffer-delay-after-emit_invalidate-for-gen4-gen5.patch drm-i915-execlists-force-write-serialisation-into-context-image-vs-execution.patch drm-i915-fix-possible-race-in-intel_dp_add_mst_connector.patch config_xen_pv-breaks-xen_create_contiguous_region-on-arm.patch +revert-acpica-aml-interpreter-add-region-addresses-in.patch