From e1d539a21b32e4e70b12f24d26738f86c7ba30de Mon Sep 17 00:00:00 2001 From: Josh Boyer Date: Mon, 29 Apr 2013 08:32:41 -0400 Subject: [PATCH] Linux v3.9 --- ...Check-EFI-revision-in-setup_efi_vars.patch | 35 ----------- ...t-access-via-task-subsys-state-check.patch | 61 ------------------- kernel.spec | 19 ++---- sources | 3 +- 4 files changed, 7 insertions(+), 111 deletions(-) delete mode 100644 efi-Check-EFI-revision-in-setup_efi_vars.patch delete mode 100644 events-protect-access-via-task-subsys-state-check.patch diff --git a/efi-Check-EFI-revision-in-setup_efi_vars.patch b/efi-Check-EFI-revision-in-setup_efi_vars.patch deleted file mode 100644 index 3e69cc6a9..000000000 --- a/efi-Check-EFI-revision-in-setup_efi_vars.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 4b367720588ea97a32dc6393ac8975d6111ba72b Mon Sep 17 00:00:00 2001 -From: Josh Boyer -Date: Wed, 24 Apr 2013 10:30:02 -0400 -Subject: [PATCH] efi: Check EFI revision in setup_efi_vars - -We need to check the runtime sys_table for the EFI version the firmware -specifies instead of just checking for a NULL QueryVariableInfo. Older -implementations of EFI don't have QueryVariableInfo but the runtime is -a smaller structure, so the pointer to it may be pointing off into garbage. - -This is apparently the case with several Apple firmwares that support EFI -1.10, and the current check causes them to no longer boot. Fix based on -a suggestion from Matthew Garrett. - -Signed-off-by: Josh Boyer ---- - arch/x86/boot/compressed/eboot.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c -index 8615f75..4060c8d 100644 ---- a/arch/x86/boot/compressed/eboot.c -+++ b/arch/x86/boot/compressed/eboot.c -@@ -258,7 +258,7 @@ static efi_status_t setup_efi_vars(struct boot_params *params) - u64 store_size, remaining_size, var_size; - efi_status_t status; - -- if (!sys_table->runtime->query_variable_info) -+ if (sys_table->runtime->hdr.revision < EFI_2_00_SYSTEM_TABLE_REVISION) - return EFI_UNSUPPORTED; - - data = (struct setup_data *)(unsigned long)params->hdr.setup_data; --- -1.8.1.4 - diff --git a/events-protect-access-via-task-subsys-state-check.patch b/events-protect-access-via-task-subsys-state-check.patch deleted file mode 100644 index a7d3972c0..000000000 --- a/events-protect-access-via-task-subsys-state-check.patch +++ /dev/null @@ -1,61 +0,0 @@ -The following RCU splat indicates lack of RCU protection: - -[ 953.267649] =============================== -[ 953.267652] [ INFO: suspicious RCU usage. ] -[ 953.267657] 3.9.0-0.rc6.git2.4.fc19.ppc64p7 #1 Not tainted -[ 953.267661] ------------------------------- -[ 953.267664] include/linux/cgroup.h:534 suspicious rcu_dereference_check() usage! -[ 953.267669] -[ 953.267669] other info that might help us debug this: -[ 953.267669] -[ 953.267675] -[ 953.267675] rcu_scheduler_active = 1, debug_locks = 0 -[ 953.267680] 1 lock held by glxgears/1289: -[ 953.267683] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [] .prepare_bprm_creds+0x34/0xa0 -[ 953.267700] -[ 953.267700] stack backtrace: -[ 953.267704] Call Trace: -[ 953.267709] [c0000001f0d1b6e0] [c000000000016e30] .show_stack+0x130/0x200 (unreliable) -[ 953.267717] [c0000001f0d1b7b0] [c0000000001267f8] .lockdep_rcu_suspicious+0x138/0x180 -[ 953.267724] [c0000001f0d1b840] [c0000000001d43a4] .perf_event_comm+0x4c4/0x690 -[ 953.267731] [c0000001f0d1b950] [c00000000027f6e4] .set_task_comm+0x84/0x1f0 -[ 953.267737] [c0000001f0d1b9f0] [c000000000280414] .setup_new_exec+0x94/0x220 -[ 953.267744] [c0000001f0d1ba70] [c0000000002f665c] .load_elf_binary+0x58c/0x19b0 -[ 953.267751] [c0000001f0d1bbc0] [c00000000027e724] .search_binary_handler+0x254/0x680 -[ 953.267758] [c0000001f0d1bca0] [c0000000002800dc] .do_execve_common.isra.17+0x76c/0x860 -[ 953.267764] [c0000001f0d1bd90] [c000000000280698] .SyS_execve+0x58/0x90 -[ 953.267771] [c0000001f0d1be30] [c000000000009e60] syscall_exit+0x0/0x98 - -This commit therefore adds the required RCU read-side critical section to -perf_event_comm(). - -Reported-by: Adam Jackson -Signed-off-by: Paul E. McKenney -Tested-by: Gustavo Luiz Duarte - -diff --git a/kernel/events/core.c b/kernel/events/core.c -index b0cd865..8db9551 100644 ---- a/kernel/events/core.c -+++ b/kernel/events/core.c -@@ -4593,6 +4593,7 @@ void perf_event_comm(struct task_struct *task) - struct perf_event_context *ctx; - int ctxn; - -+ rcu_read_lock(); - for_each_task_context_nr(ctxn) { - ctx = task->perf_event_ctxp[ctxn]; - if (!ctx) -@@ -4600,6 +4601,7 @@ void perf_event_comm(struct task_struct *task) - - perf_event_enable_on_exec(ctx); - } -+ rcu_read_unlock(); - - if (!atomic_read(&nr_comm_events)) - return; - --- -To unsubscribe from this list: send the line "unsubscribe linux-kernel" in -the body of a message to majordomo@vger.kernel.org -More majordomo info at http://vger.kernel.org/majordomo-info.html -Please read the FAQ at http://www.tux.org/lkml/ diff --git a/kernel.spec b/kernel.spec index 84f186fce..12f0aae3b 100644 --- a/kernel.spec +++ b/kernel.spec @@ -6,7 +6,7 @@ Summary: The Linux kernel # For a stable, released kernel, released_kernel should be 1. For rawhide # and/or a kernel built from an rc or git snapshot, released_kernel should # be 0. -%global released_kernel 0 +%global released_kernel 1 # Sign modules on x86. Make sure the config files match this setting if more # architectures are added. @@ -62,13 +62,13 @@ Summary: The Linux kernel # For non-released -rc kernels, this will be appended after the rcX and # gitX tags, so a 3 here would become part of release "0.rcX.gitX.3" # -%global baserelease 2 +%global baserelease 1 %global fedora_build %{baserelease} # base_sublevel is the kernel version we're starting with and patching # on top of -- for example, 3.1-rc7-git1 starts with a 3.0 base, # which yields a base_sublevel of 0. -%define base_sublevel 8 +%define base_sublevel 9 ## If this is a released kernel ## %if 0%{?released_kernel} @@ -753,11 +753,6 @@ Patch25010: wireless-regulatory-fix-channel-disabling-race-condition.patch #rhbz 951241 Patch25011: iwlwifi-fix-freeing-uninitialized-pointer.patch -Patch25012: events-protect-access-via-task-subsys-state-check.patch - -#rhbz 953447 -Patch25013: efi-Check-EFI-revision-in-setup_efi_vars.patch - Patch25014: blkcg-fix-scheduling-while-atomic-in-blk_queue_bypass_start.patch # END OF PATCH DEFINITIONS @@ -1462,11 +1457,6 @@ ApplyPatch wireless-regulatory-fix-channel-disabling-race-condition.patch #rhbz 951241 ApplyPatch iwlwifi-fix-freeing-uninitialized-pointer.patch -ApplyPatch events-protect-access-via-task-subsys-state-check.patch - -#rhbz 953447 -ApplyPatch efi-Check-EFI-revision-in-setup_efi_vars.patch - ApplyPatch blkcg-fix-scheduling-while-atomic-in-blk_queue_bypass_start.patch # END OF PATCH APPLICATIONS @@ -2302,6 +2292,9 @@ fi # ||----w | # || || %changelog +* Mon Apr 29 2013 Josh Boyer +- Linux v3.9 + * Fri Apr 26 2013 Josh Boyer - Add patch to prevent scheduling while atomic error in blkcg diff --git a/sources b/sources index 217f54bf2..06558d5b1 100644 --- a/sources +++ b/sources @@ -1,2 +1 @@ -1c738edfc54e7c65faeb90c436104e2f linux-3.8.tar.xz -5288991c5756cd165402861a5083ec8b patch-3.9-rc8.xz +4348c9b6b2eb3144d601e87c19d5d909 linux-3.9.tar.xz