Adding debian version 5.10.209-2.debian/5.10.209-2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 168 insertions, 0 deletions

diff --git a/debian/patches-rt/0220-softirq-Disable-softirq-stacks-for-RT.patch b/debian/patches-rt/0220-softirq-Disable-softirq-stacks-for-RT.patch
new file mode 100644
index 000000000..90e5f9abf
--- /dev/null
+++ b/debian/patches-rt/0220-softirq-Disable-softirq-stacks-for-RT.patch
@@ -0,0 +1,168 @@
+From 539938b186e370ddf9bfc1d68703cfddf80a3f42 Mon Sep 17 00:00:00 2001
+From: Thomas Gleixner <tglx@linutronix.de>
+Date: Mon, 18 Jul 2011 13:59:17 +0200
+Subject: [PATCH 220/323] softirq: Disable softirq stacks for RT
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz
+
+Disable extra stacks for softirqs. We want to preempt softirqs and
+having them on special IRQ-stack does not make this easier.
+
+Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
+---
+ arch/powerpc/kernel/irq.c     | 2 ++
+ arch/powerpc/kernel/misc_32.S | 2 ++
+ arch/powerpc/kernel/misc_64.S | 2 ++
+ arch/sh/kernel/irq.c          | 2 ++
+ arch/sparc/kernel/irq_64.c    | 2 ++
+ arch/x86/kernel/irq_32.c      | 2 ++
+ arch/x86/kernel/irq_64.c      | 2 ++
+ include/linux/interrupt.h     | 2 +-
+ 8 files changed, 15 insertions(+), 1 deletion(-)
+
+diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
+index e8a548447dd6..5ad4f27cba10 100644
+--- a/arch/powerpc/kernel/irq.c
++++ b/arch/powerpc/kernel/irq.c
+@@ -753,10 +753,12 @@ void *mcheckirq_ctx[NR_CPUS] __read_mostly;
+ void *softirq_ctx[NR_CPUS] __read_mostly;
+ void *hardirq_ctx[NR_CPUS] __read_mostly;
+ 
++#ifndef CONFIG_PREEMPT_RT
+ void do_softirq_own_stack(void)
+ {
+ 	call_do_softirq(softirq_ctx[smp_processor_id()]);
+ }
++#endif
+ 
+ irq_hw_number_t virq_to_hw(unsigned int virq)
+ {
+diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
+index 717e658b90fd..08ee95ad6593 100644
+--- a/arch/powerpc/kernel/misc_32.S
++++ b/arch/powerpc/kernel/misc_32.S
+@@ -31,6 +31,7 @@
+  * We store the saved ksp_limit in the unused part
+  * of the STACK_FRAME_OVERHEAD
+  */
++#ifndef CONFIG_PREEMPT_RT
+ _GLOBAL(call_do_softirq)
+ 	mflr	r0
+ 	stw	r0,4(r1)
+@@ -46,6 +47,7 @@ _GLOBAL(call_do_softirq)
+ 	stw	r10,THREAD+KSP_LIMIT(r2)
+ 	mtlr	r0
+ 	blr
++#endif
+ 
+ /*
+  * void call_do_irq(struct pt_regs *regs, void *sp);
+diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
+index 070465825c21..a6b33f7b3264 100644
+--- a/arch/powerpc/kernel/misc_64.S
++++ b/arch/powerpc/kernel/misc_64.S
+@@ -27,6 +27,7 @@
+ 
+ 	.text
+ 
++#ifndef CONFIG_PREEMPT_RT
+ _GLOBAL(call_do_softirq)
+ 	mflr	r0
+ 	std	r0,16(r1)
+@@ -37,6 +38,7 @@ _GLOBAL(call_do_softirq)
+ 	ld	r0,16(r1)
+ 	mtlr	r0
+ 	blr
++#endif
+ 
+ _GLOBAL(call_do_irq)
+ 	mflr	r0
+diff --git a/arch/sh/kernel/irq.c b/arch/sh/kernel/irq.c
+index ab5f790b0cd2..5db7af565dec 100644
+--- a/arch/sh/kernel/irq.c
++++ b/arch/sh/kernel/irq.c
+@@ -148,6 +148,7 @@ void irq_ctx_exit(int cpu)
+ 	hardirq_ctx[cpu] = NULL;
+ }
+ 
++#ifndef CONFIG_PREEMPT_RT
+ void do_softirq_own_stack(void)
+ {
+ 	struct thread_info *curctx;
+@@ -175,6 +176,7 @@ void do_softirq_own_stack(void)
+ 		  "r5", "r6", "r7", "r8", "r9", "r15", "t", "pr"
+ 	);
+ }
++#endif
+ #else
+ static inline void handle_one_irq(unsigned int irq)
+ {
+diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
+index 3ec9f1402aad..eb21682abfcb 100644
+--- a/arch/sparc/kernel/irq_64.c
++++ b/arch/sparc/kernel/irq_64.c
+@@ -854,6 +854,7 @@ void __irq_entry handler_irq(int pil, struct pt_regs *regs)
+ 	set_irq_regs(old_regs);
+ }
+ 
++#ifndef CONFIG_PREEMPT_RT
+ void do_softirq_own_stack(void)
+ {
+ 	void *orig_sp, *sp = softirq_stack[smp_processor_id()];
+@@ -868,6 +869,7 @@ void do_softirq_own_stack(void)
+ 	__asm__ __volatile__("mov %0, %%sp"
+ 			     : : "r" (orig_sp));
+ }
++#endif
+ 
+ #ifdef CONFIG_HOTPLUG_CPU
+ void fixup_irqs(void)
+diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
+index 0b79efc87be5..93c6b88b382a 100644
+--- a/arch/x86/kernel/irq_32.c
++++ b/arch/x86/kernel/irq_32.c
+@@ -131,6 +131,7 @@ int irq_init_percpu_irqstack(unsigned int cpu)
+ 	return 0;
+ }
+ 
++#ifndef CONFIG_PREEMPT_RT
+ void do_softirq_own_stack(void)
+ {
+ 	struct irq_stack *irqstk;
+@@ -147,6 +148,7 @@ void do_softirq_own_stack(void)
+ 
+ 	call_on_stack(__do_softirq, isp);
+ }
++#endif
+ 
+ void __handle_irq(struct irq_desc *desc, struct pt_regs *regs)
+ {
+diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
+index 440eed558558..7cfc4e6b7c94 100644
+--- a/arch/x86/kernel/irq_64.c
++++ b/arch/x86/kernel/irq_64.c
+@@ -72,7 +72,9 @@ int irq_init_percpu_irqstack(unsigned int cpu)
+ 	return map_irq_stack(cpu);
+ }
+ 
++#ifndef CONFIG_PREEMPT_RT
+ void do_softirq_own_stack(void)
+ {
+ 	run_on_irqstack_cond(__do_softirq, NULL);
+ }
++#endif
+diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
+index a1c64d969532..7f185482ea22 100644
+--- a/include/linux/interrupt.h
++++ b/include/linux/interrupt.h
+@@ -564,7 +564,7 @@ struct softirq_action
+ asmlinkage void do_softirq(void);
+ asmlinkage void __do_softirq(void);
+ 
+-#ifdef __ARCH_HAS_DO_SOFTIRQ
++#if defined(__ARCH_HAS_DO_SOFTIRQ) && !defined(CONFIG_PREEMPT_RT)
+ void do_softirq_own_stack(void);
+ #else
+ static inline void do_softirq_own_stack(void)
+-- 
+2.43.0
+