From: Greg Kroah-Hartman Date: Wed, 15 Aug 2012 14:05:55 +0000 (-0700) Subject: remove queue-3.0/arm-7477-1-vfp-always-save-vfp-state-in-vfp_pm_suspend-on-up.patch X-Git-Tag: v3.5.2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=91214e32763a94503797dbf330bc0115e770dbe6;p=thirdparty%2Fkernel%2Fstable-queue.git remove queue-3.0/arm-7477-1-vfp-always-save-vfp-state-in-vfp_pm_suspend-on-up.patch --- diff --git a/queue-3.0/arm-7477-1-vfp-always-save-vfp-state-in-vfp_pm_suspend-on-up.patch b/queue-3.0/arm-7477-1-vfp-always-save-vfp-state-in-vfp_pm_suspend-on-up.patch deleted file mode 100644 index cc91423719e..00000000000 --- a/queue-3.0/arm-7477-1-vfp-always-save-vfp-state-in-vfp_pm_suspend-on-up.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 24b35521b8ddf088531258f06f681bb7b227bf47 Mon Sep 17 00:00:00 2001 -From: Colin Cross -Date: Fri, 20 Jul 2012 02:03:42 +0100 -Subject: ARM: 7477/1: vfp: Always save VFP state in vfp_pm_suspend on UP - -From: Colin Cross - -commit 24b35521b8ddf088531258f06f681bb7b227bf47 upstream. - -vfp_pm_suspend should save the VFP state in suspend after -any lazy context switch. If it only saves when the VFP is enabled, -the state can get lost when, on a UP system: - Thread 1 uses the VFP - Context switch occurs to thread 2, VFP is disabled but the - VFP context is not saved - Thread 2 initiates suspend - vfp_pm_suspend is called with the VFP disabled, and the unsaved - VFP context of Thread 1 in the registers - -Modify vfp_pm_suspend to save the VFP context whenever -vfp_current_hw_state is not NULL. - -Includes a fix from Ido Yariv , who pointed out that on -SMP systems, the state pointer can be pointing to a freed task struct if -a task exited on another cpu, fixed by using #ifndef CONFIG_SMP in the -new if clause. - -Signed-off-by: Colin Cross -Cc: Barry Song -Cc: Catalin Marinas -Cc: Ido Yariv -Cc: Daniel Drake -Cc: Will Deacon -Signed-off-by: Russell King -Signed-off-by: Greg Kroah-Hartman - ---- - arch/arm/vfp/vfpmodule.c | 6 ++++++ - 1 file changed, 6 insertions(+) - ---- a/arch/arm/vfp/vfpmodule.c -+++ b/arch/arm/vfp/vfpmodule.c -@@ -412,6 +412,12 @@ static int vfp_pm_suspend(void) - - /* disable, just in case */ - fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN); -+ } else if (vfp_current_hw_state[ti->cpu]) { -+#ifndef CONFIG_SMP -+ fmxr(FPEXC, fpexc | FPEXC_EN); -+ vfp_save_state(vfp_current_hw_state[ti->cpu], fpexc); -+ fmxr(FPEXC, fpexc); -+#endif - } - - /* clear any information we had about last context state */ diff --git a/queue-3.0/series b/queue-3.0/series index 8fe87843d5e..60fe12c44bb 100644 --- a/queue-3.0/series +++ b/queue-3.0/series @@ -4,7 +4,6 @@ nilfs2-fix-deadlock-issue-between-chcp-and-thaw-ioctls.patch pcdp-use-early_ioremap-early_iounmap-to-access-pcdp-table.patch mm-fix-wrong-argument-of-migrate_huge_pages-in-soft_offline_huge_page.patch arm-7467-1-mutex-use-generic-xchg-based-implementation-for-armv6.patch -arm-7477-1-vfp-always-save-vfp-state-in-vfp_pm_suspend-on-up.patch arm-7478-1-errata-extend-workaround-for-erratum-720789.patch arm-7479-1-mm-avoid-null-dereference-when-flushing-gate_vma-with-vivt-caches.patch mm-mmu_notifier-fix-freed-page-still-mapped-in-secondary-mmu.patch