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Remove obsolete patch (merged upstream) 

Signed-off-by: David Abdurachmanov <david.abdurachmanov@sifive.com>
This commit is contained in:
David Abdurachmanov 2020-01-06 18:51:41 +02:00
parent 09074c7b2c
commit 7a2b40f086
Signed by: davidlt
GPG Key ID: 8B7F1DA0E2C9FDBB
2 changed files with 0 additions and 587 deletions
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584
0001-riscv-change-CSR-M-S-defines-to-use-X-for-prefix.patch
View File

@ -1,584 +0,0 @@
From 8c904b6e4769270314d65b5f6fc2e514bbd34b50 Mon Sep 17 00:00:00 2001
From: Fedora Kernel Team <kernel-team@fedoraproject.org>
Date: Thu, 19 Dec 2019 19:34:50 +0000
Subject: [PATCH] riscv: change CSR M/S defines to use "X" for prefix
---
arch/riscv/include/asm/csr.h | 70 +++++++++++++++----------------
arch/riscv/include/asm/irqflags.h | 12 +++---
arch/riscv/include/asm/ptrace.h | 2 +-
arch/riscv/kernel/entry.S | 32 +++++++-------
arch/riscv/kernel/fpu.S | 8 ++--
arch/riscv/kernel/head.S | 14 +++----
arch/riscv/kernel/irq.c | 6 +--
arch/riscv/kernel/process.c | 4 +-
arch/riscv/kernel/smp.c | 2 +-
arch/riscv/kernel/traps.c | 6 +--
arch/riscv/lib/uaccess.S | 12 +++---
arch/riscv/mm/fault.c | 2 +-
drivers/clocksource/timer-riscv.c | 8 ++--
drivers/irqchip/irq-sifive-plic.c | 6 +--
14 files changed, 92 insertions(+), 92 deletions(-)
diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 0a62d2d..21b323c 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -103,45 +103,45 @@
#define CSR_MHARTID 0xf14
#ifdef CONFIG_RISCV_M_MODE
-# define CSR_STATUS CSR_MSTATUS
-# define CSR_IE CSR_MIE
-# define CSR_TVEC CSR_MTVEC
-# define CSR_SCRATCH CSR_MSCRATCH
-# define CSR_EPC CSR_MEPC
-# define CSR_CAUSE CSR_MCAUSE
-# define CSR_TVAL CSR_MTVAL
-# define CSR_IP CSR_MIP
-
-# define SR_IE SR_MIE
-# define SR_PIE SR_MPIE
-# define SR_PP SR_MPP
-
-# define IRQ_SOFT IRQ_M_SOFT
-# define IRQ_TIMER IRQ_M_TIMER
-# define IRQ_EXT IRQ_M_EXT
+# define CSR_XSTATUS CSR_MSTATUS
+# define CSR_XIE CSR_MIE
+# define CSR_XTVEC CSR_MTVEC
+# define CSR_XSCRATCH CSR_MSCRATCH
+# define CSR_XEPC CSR_MEPC
+# define CSR_XCAUSE CSR_MCAUSE
+# define CSR_XTVAL CSR_MTVAL
+# define CSR_XIP CSR_MIP
+
+# define SR_XIE SR_MIE
+# define SR_XPIE SR_MPIE
+# define SR_XPP SR_MPP
+
+# define IRQ_X_SOFT IRQ_M_SOFT
+# define IRQ_X_TIMER IRQ_M_TIMER
+# define IRQ_X_EXT IRQ_M_EXT
#else /* CONFIG_RISCV_M_MODE */
-# define CSR_STATUS CSR_SSTATUS
-# define CSR_IE CSR_SIE
-# define CSR_TVEC CSR_STVEC
-# define CSR_SCRATCH CSR_SSCRATCH
-# define CSR_EPC CSR_SEPC
-# define CSR_CAUSE CSR_SCAUSE
-# define CSR_TVAL CSR_STVAL
-# define CSR_IP CSR_SIP
-
-# define SR_IE SR_SIE
-# define SR_PIE SR_SPIE
-# define SR_PP SR_SPP
-
-# define IRQ_SOFT IRQ_S_SOFT
-# define IRQ_TIMER IRQ_S_TIMER
-# define IRQ_EXT IRQ_S_EXT
+# define CSR_XSTATUS CSR_SSTATUS
+# define CSR_XIE CSR_SIE
+# define CSR_XTVEC CSR_STVEC
+# define CSR_XSCRATCH CSR_SSCRATCH
+# define CSR_XEPC CSR_SEPC
+# define CSR_XCAUSE CSR_SCAUSE
+# define CSR_XTVAL CSR_STVAL
+# define CSR_XIP CSR_SIP
+
+# define SR_XIE SR_SIE
+# define SR_XPIE SR_SPIE
+# define SR_XPP SR_SPP
+
+# define IRQ_X_SOFT IRQ_S_SOFT
+# define IRQ_X_TIMER IRQ_S_TIMER
+# define IRQ_X_EXT IRQ_S_EXT
#endif /* CONFIG_RISCV_M_MODE */
/* IE/IP (Supervisor/Machine Interrupt Enable/Pending) flags */
-#define IE_SIE (_AC(0x1, UL) << IRQ_SOFT)
-#define IE_TIE (_AC(0x1, UL) << IRQ_TIMER)
-#define IE_EIE (_AC(0x1, UL) << IRQ_EXT)
+#define IE_SIE (_AC(0x1, UL) << IRQ_X_SOFT)
+#define IE_TIE (_AC(0x1, UL) << IRQ_X_TIMER)
+#define IE_EIE (_AC(0x1, UL) << IRQ_X_EXT)
#ifndef __ASSEMBLY__
diff --git a/arch/riscv/include/asm/irqflags.h b/arch/riscv/include/asm/irqflags.h
index 08d4d6a..ba2828a 100644
--- a/arch/riscv/include/asm/irqflags.h
+++ b/arch/riscv/include/asm/irqflags.h
@@ -13,31 +13,31 @@
/* read interrupt enabled status */
static inline unsigned long arch_local_save_flags(void)
{
- return csr_read(CSR_STATUS);
+ return csr_read(CSR_XSTATUS);
}
/* unconditionally enable interrupts */
static inline void arch_local_irq_enable(void)
{
- csr_set(CSR_STATUS, SR_IE);
+ csr_set(CSR_XSTATUS, SR_XIE);
}
/* unconditionally disable interrupts */
static inline void arch_local_irq_disable(void)
{
- csr_clear(CSR_STATUS, SR_IE);
+ csr_clear(CSR_XSTATUS, SR_XIE);
}
/* get status and disable interrupts */
static inline unsigned long arch_local_irq_save(void)
{
- return csr_read_clear(CSR_STATUS, SR_IE);
+ return csr_read_clear(CSR_XSTATUS, SR_XIE);
}
/* test flags */
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
- return !(flags & SR_IE);
+ return !(flags & SR_XIE);
}
/* test hardware interrupt enable bit */
@@ -49,7 +49,7 @@ static inline int arch_irqs_disabled(void)
/* set interrupt enabled status */
static inline void arch_local_irq_restore(unsigned long flags)
{
- csr_set(CSR_STATUS, flags & SR_IE);
+ csr_set(CSR_XSTATUS, flags & SR_XIE);
}
#endif /* _ASM_RISCV_IRQFLAGS_H */
diff --git a/arch/riscv/include/asm/ptrace.h b/arch/riscv/include/asm/ptrace.h
index ee49f80..507ed43 100644
--- a/arch/riscv/include/asm/ptrace.h
+++ b/arch/riscv/include/asm/ptrace.h
@@ -58,7 +58,7 @@ struct pt_regs {
#define REG_FMT "%08lx"
#endif
-#define user_mode(regs) (((regs)->status & SR_PP) == 0)
+#define user_mode(regs) (((regs)->status & SR_XPP) == 0)
/* Helpers for working with the instruction pointer */
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index e163b7b..03b3b59 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -29,11 +29,11 @@
* the kernel thread pointer. If we came from the kernel, the scratch
* register will contain 0, and we should continue on the current TP.
*/
- csrrw tp, CSR_SCRATCH, tp
+ csrrw tp, CSR_XSCRATCH, tp
bnez tp, _save_context
_restore_kernel_tpsp:
- csrr tp, CSR_SCRATCH
+ csrr tp, CSR_XSCRATCH
REG_S sp, TASK_TI_KERNEL_SP(tp)
_save_context:
REG_S sp, TASK_TI_USER_SP(tp)
@@ -79,11 +79,11 @@ _save_context:
li t0, SR_SUM | SR_FS
REG_L s0, TASK_TI_USER_SP(tp)
- csrrc s1, CSR_STATUS, t0
- csrr s2, CSR_EPC
- csrr s3, CSR_TVAL
- csrr s4, CSR_CAUSE
- csrr s5, CSR_SCRATCH
+ csrrc s1, CSR_XSTATUS, t0
+ csrr s2, CSR_XEPC
+ csrr s3, CSR_XTVAL
+ csrr s4, CSR_XCAUSE
+ csrr s5, CSR_XSCRATCH
REG_S s0, PT_SP(sp)
REG_S s1, PT_STATUS(sp)
REG_S s2, PT_EPC(sp)
@@ -118,8 +118,8 @@ _save_context:
REG_L a2, PT_EPC(sp)
REG_SC x0, a2, PT_EPC(sp)
- csrw CSR_STATUS, a0
- csrw CSR_EPC, a2
+ csrw CSR_XSTATUS, a0
+ csrw CSR_XEPC, a2
REG_L x1, PT_RA(sp)
REG_L x3, PT_GP(sp)
@@ -166,7 +166,7 @@ ENTRY(handle_exception)
* Set the scratch register to 0, so that if a recursive exception
* occurs, the exception vector knows it came from the kernel
*/
- csrw CSR_SCRATCH, x0
+ csrw CSR_XSCRATCH, x0
/* Load the global pointer */
.option push
@@ -187,11 +187,11 @@ ENTRY(handle_exception)
1:
/*
* Exceptions run with interrupts enabled or disabled depending on the
- * state of SR_PIE in m/sstatus.
+ * state of SR_XPIE in m/sstatus.
*/
- andi t0, s1, SR_PIE
+ andi t0, s1, SR_XPIE
beqz t0, 1f
- csrs CSR_STATUS, SR_IE
+ csrs CSR_XSTATUS, SR_XIE
1:
/* Handle syscalls */
@@ -271,7 +271,7 @@ ret_from_syscall_rejected:
ret_from_exception:
REG_L s0, PT_STATUS(sp)
- csrc CSR_STATUS, SR_IE
+ csrc CSR_XSTATUS, SR_XIE
#ifdef CONFIG_RISCV_M_MODE
/* the MPP value is too large to be used as an immediate arg for addi */
li t0, SR_MPP
@@ -295,7 +295,7 @@ resume_userspace:
* Save TP into the scratch register , so we can find the kernel data
* structures again.
*/
- csrw CSR_SCRATCH, tp
+ csrw CSR_XSCRATCH, tp
restore_all:
RESTORE_ALL
@@ -323,7 +323,7 @@ work_pending:
bnez s1, work_resched
work_notifysig:
/* Handle pending signals and notify-resume requests */
- csrs CSR_STATUS, SR_IE /* Enable interrupts for do_notify_resume() */
+ csrs CSR_XSTATUS, SR_XIE /* Enable interrupts for do_notify_resume() */
move a0, sp /* pt_regs */
move a1, s0 /* current_thread_info->flags */
tail do_notify_resume
diff --git a/arch/riscv/kernel/fpu.S b/arch/riscv/kernel/fpu.S
index dd22054..1dade31 100644
--- a/arch/riscv/kernel/fpu.S
+++ b/arch/riscv/kernel/fpu.S
@@ -23,7 +23,7 @@ ENTRY(__fstate_save)
li a2, TASK_THREAD_F0
add a0, a0, a2
li t1, SR_FS
- csrs CSR_STATUS, t1
+ csrs CSR_XSTATUS, t1
frcsr t0
fsd f0, TASK_THREAD_F0_F0(a0)
fsd f1, TASK_THREAD_F1_F0(a0)
@@ -58,7 +58,7 @@ ENTRY(__fstate_save)
fsd f30, TASK_THREAD_F30_F0(a0)
fsd f31, TASK_THREAD_F31_F0(a0)
sw t0, TASK_THREAD_FCSR_F0(a0)
- csrc CSR_STATUS, t1
+ csrc CSR_XSTATUS, t1
ret
ENDPROC(__fstate_save)
@@ -67,7 +67,7 @@ ENTRY(__fstate_restore)
add a0, a0, a2
li t1, SR_FS
lw t0, TASK_THREAD_FCSR_F0(a0)
- csrs CSR_STATUS, t1
+ csrs CSR_XSTATUS, t1
fld f0, TASK_THREAD_F0_F0(a0)
fld f1, TASK_THREAD_F1_F0(a0)
fld f2, TASK_THREAD_F2_F0(a0)
@@ -101,6 +101,6 @@ ENTRY(__fstate_restore)
fld f30, TASK_THREAD_F30_F0(a0)
fld f31, TASK_THREAD_F31_F0(a0)
fscsr t0
- csrc CSR_STATUS, t1
+ csrc CSR_XSTATUS, t1
ret
ENDPROC(__fstate_restore)
diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S
index 84a6f0a..71efbba 100644
--- a/arch/riscv/kernel/head.S
+++ b/arch/riscv/kernel/head.S
@@ -48,8 +48,8 @@ ENTRY(_start)
.global _start_kernel
_start_kernel:
/* Mask all interrupts */
- csrw CSR_IE, zero
- csrw CSR_IP, zero
+ csrw CSR_XIE, zero
+ csrw CSR_XIP, zero
#ifdef CONFIG_RISCV_M_MODE
/* flush the instruction cache */
@@ -76,7 +76,7 @@ _start_kernel:
* floating point in kernel space
*/
li t0, SR_FS
- csrc CSR_STATUS, t0
+ csrc CSR_XSTATUS, t0
#ifdef CONFIG_SMP
li t0, CONFIG_NR_CPUS
@@ -134,7 +134,7 @@ relocate:
/* Point stvec to virtual address of intruction after satp write */
la a2, 1f
add a2, a2, a1
- csrw CSR_TVEC, a2
+ csrw CSR_XTVEC, a2
/* Compute satp for kernel page tables, but don't load it yet */
srl a2, a0, PAGE_SHIFT
@@ -156,7 +156,7 @@ relocate:
1:
/* Set trap vector to spin forever to help debug */
la a0, .Lsecondary_park
- csrw CSR_TVEC, a0
+ csrw CSR_XTVEC, a0
/* Reload the global pointer */
.option push
@@ -180,7 +180,7 @@ relocate:
#ifdef CONFIG_SMP
/* Set trap vector to spin forever to help debug */
la a3, .Lsecondary_park
- csrw CSR_TVEC, a3
+ csrw CSR_XTVEC, a3
slli a3, a0, LGREG
la a1, __cpu_up_stack_pointer
@@ -254,7 +254,7 @@ ENTRY(reset_regs)
bnez t0, .Lreset_regs_done
li t1, SR_FS
- csrs CSR_STATUS, t1
+ csrs CSR_XSTATUS, t1
fmv.s.x f0, zero
fmv.s.x f1, zero
fmv.s.x f2, zero
diff --git a/arch/riscv/kernel/irq.c b/arch/riscv/kernel/irq.c
index 3f07a91..cfbec2a 100644
--- a/arch/riscv/kernel/irq.c
+++ b/arch/riscv/kernel/irq.c
@@ -23,11 +23,11 @@ asmlinkage __visible void __irq_entry do_IRQ(struct pt_regs *regs)
irq_enter();
switch (regs->cause & ~CAUSE_IRQ_FLAG) {
- case IRQ_TIMER:
+ case IRQ_X_TIMER:
riscv_timer_interrupt();
break;
#ifdef CONFIG_SMP
- case IRQ_SOFT:
+ case IRQ_X_SOFT:
/*
* We only use software interrupts to pass IPIs, so if a non-SMP
* system gets one, then we don't know what to do.
@@ -35,7 +35,7 @@ asmlinkage __visible void __irq_entry do_IRQ(struct pt_regs *regs)
riscv_software_interrupt();
break;
#endif
- case IRQ_EXT:
+ case IRQ_X_EXT:
handle_arch_irq(regs);
break;
default:
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 95a3031..7d3ddb1 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -65,7 +65,7 @@ void show_regs(struct pt_regs *regs)
void start_thread(struct pt_regs *regs, unsigned long pc,
unsigned long sp)
{
- regs->status = SR_PIE;
+ regs->status = SR_XPIE;
if (has_fpu) {
regs->status |= SR_FS_INITIAL;
/*
@@ -111,7 +111,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
memset(childregs, 0, sizeof(struct pt_regs));
childregs->gp = gp;
/* Supervisor/Machine, irqs on: */
- childregs->status = SR_PP | SR_PIE;
+ childregs->status = SR_XPP | SR_XPIE;
p->thread.ra = (unsigned long)ret_from_kernel_thread;
p->thread.s[0] = usp; /* fn */
diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c
index eb878ab..1c95cfe 100644
--- a/arch/riscv/kernel/smp.c
+++ b/arch/riscv/kernel/smp.c
@@ -116,7 +116,7 @@ static void send_ipi_single(int cpu, enum ipi_message_type op)
static inline void clear_ipi(void)
{
if (IS_ENABLED(CONFIG_RISCV_SBI))
- csr_clear(CSR_IP, IE_SIE);
+ csr_clear(CSR_XIP, IE_SIE);
else
clint_clear_ipi(cpuid_to_hartid_map(smp_processor_id()));
}
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index f4cad51..d8d7c4d 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -153,9 +153,9 @@ void __init trap_init(void)
* Set sup0 scratch register to 0, indicating to exception vector
* that we are presently executing in the kernel
*/
- csr_write(CSR_SCRATCH, 0);
+ csr_write(CSR_XSCRATCH, 0);
/* Set the exception vector address */
- csr_write(CSR_TVEC, &handle_exception);
+ csr_write(CSR_XTVEC, &handle_exception);
/* Enable all interrupts */
- csr_write(CSR_IE, -1);
+ csr_write(CSR_XIE, -1);
}
diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S
index fecd656..f47a2ea 100644
--- a/arch/riscv/lib/uaccess.S
+++ b/arch/riscv/lib/uaccess.S
@@ -18,7 +18,7 @@ ENTRY(__asm_copy_from_user)
/* Enable access to user memory */
li t6, SR_SUM
- csrs CSR_STATUS, t6
+ csrs CSR_XSTATUS, t6
add a3, a1, a2
/* Use word-oriented copy only if low-order bits match */
@@ -47,7 +47,7 @@ ENTRY(__asm_copy_from_user)
3:
/* Disable access to user memory */
- csrc CSR_STATUS, t6
+ csrc CSR_XSTATUS, t6
li a0, 0
ret
4: /* Edge case: unalignment */
@@ -72,7 +72,7 @@ ENTRY(__clear_user)
/* Enable access to user memory */
li t6, SR_SUM
- csrs CSR_STATUS, t6
+ csrs CSR_XSTATUS, t6
add a3, a0, a1
addi t0, a0, SZREG-1
@@ -94,7 +94,7 @@ ENTRY(__clear_user)
3:
/* Disable access to user memory */
- csrc CSR_STATUS, t6
+ csrc CSR_XSTATUS, t6
li a0, 0
ret
4: /* Edge case: unalignment */
@@ -114,11 +114,11 @@ ENDPROC(__clear_user)
/* Fixup code for __copy_user(10) and __clear_user(11) */
10:
/* Disable access to user memory */
- csrs CSR_STATUS, t6
+ csrs CSR_XSTATUS, t6
mv a0, a2
ret
11:
- csrs CSR_STATUS, t6
+ csrs CSR_XSTATUS, t6
mv a0, a1
ret
.previous
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index cf7248e..ede89cd 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -53,7 +53,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs)
goto vmalloc_fault;
/* Enable interrupts if they were enabled in the parent context. */
- if (likely(regs->status & SR_PIE))
+ if (likely(regs->status & SR_XPIE))
local_irq_enable();
/*
diff --git a/drivers/clocksource/timer-riscv.c b/drivers/clocksource/timer-riscv.c
index 4e54856..16ed374 100644
--- a/drivers/clocksource/timer-riscv.c
+++ b/drivers/clocksource/timer-riscv.c
@@ -31,7 +31,7 @@ static inline void mmio_set_timer(u64 val)
static int riscv_clock_next_event(unsigned long delta,
struct clock_event_device *ce)
{
- csr_set(CSR_IE, IE_TIE);
+ csr_set(CSR_XIE, IE_TIE);
if (IS_ENABLED(CONFIG_RISCV_SBI))
sbi_set_timer(get_cycles64() + delta);
else
@@ -76,13 +76,13 @@ static int riscv_timer_starting_cpu(unsigned int cpu)
ce->cpumask = cpumask_of(cpu);
clockevents_config_and_register(ce, riscv_timebase, 100, 0x7fffffff);
- csr_set(CSR_IE, IE_TIE);
+ csr_set(CSR_XIE, IE_TIE);
return 0;
}
static int riscv_timer_dying_cpu(unsigned int cpu)
{
- csr_clear(CSR_IE, IE_TIE);
+ csr_clear(CSR_XIE, IE_TIE);
return 0;
}
@@ -91,7 +91,7 @@ void riscv_timer_interrupt(void)
{
struct clock_event_device *evdev = this_cpu_ptr(&riscv_clock_event);
- csr_clear(CSR_IE, IE_TIE);
+ csr_clear(CSR_XIE, IE_TIE);
evdev->event_handler(evdev);
}
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 8df547d..d75c12e 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -181,7 +181,7 @@ static void plic_handle_irq(struct pt_regs *regs)
WARN_ON_ONCE(!handler->present);
- csr_clear(CSR_IE, IE_EIE);
+ csr_clear(CSR_XIE, IE_EIE);
while ((hwirq = readl(claim))) {
int irq = irq_find_mapping(plic_irqdomain, hwirq);
@@ -191,7 +191,7 @@ static void plic_handle_irq(struct pt_regs *regs)
else
generic_handle_irq(irq);
}
- csr_set(CSR_IE, IE_EIE);
+ csr_set(CSR_XIE, IE_EIE);
}
/*
@@ -256,7 +256,7 @@ static int __init plic_init(struct device_node *node,
* Skip contexts other than external interrupts for our
* privilege level.
*/
- if (parent.args[0] != IRQ_EXT)
+ if (parent.args[0] != IRQ_X_EXT)
continue;
hartid = plic_find_hart_id(parent.np);
--
2.24.1

3
kernel.spec
View File

@ -871,9 +871,6 @@ Patch526: libertas-Fix-two-buffer-overflows-at-parsing-bss-descriptor.patch
# https://github.com/sifive/riscv-linux/commits/dev/paulw/cpufreq-dt-aloe-v5.3-rc4
Patch570: 0002-SiFive-Unleashed-CPUFreq.patch
# https://patchwork.kernel.org/patch/11301459/
Patch574: 0001-riscv-change-CSR-M-S-defines-to-use-X-for-prefix.patch
# END OF PATCH DEFINITIONS
%endif