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kernel: fix 304-mips_disable_fpu.patch for v4.9

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the function prototype has changed, make the new stub consistent with this
change.

Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin 2017-02-09 18:08:06 +01:00
parent 0bf85ef048
commit 4bdf3a33ad
1 changed files with 42 additions and 9 deletions
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51
target/linux/generic/patches-4.9/304-mips_disable_fpu.patch
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@ -26,7 +26,7 @@ v2: incorporated changes suggested by Jonas Gorski
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2891,6 +2891,20 @@ config MIPS_O32_FP64_SUPPORT
@@ -2891,6 +2891,20 @@
If unsure, say N.
@ -49,7 +49,7 @@ v2: incorporated changes suggested by Jonas Gorski
select OF
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -287,7 +287,7 @@ OBJCOPYFLAGS += --remove-section=.regin
@@ -287,7 +287,7 @@
head-y := arch/mips/kernel/head.o
libs-y += arch/mips/lib/
@ -60,7 +60,7 @@ v2: incorporated changes suggested by Jonas Gorski
core-y += arch/mips/
--- a/arch/mips/include/asm/fpu.h
+++ b/arch/mips/include/asm/fpu.h
@@ -227,8 +227,10 @@ static inline int init_fpu(void)
@@ -227,8 +227,10 @@
/* Restore FRE */
write_c0_config5(config5);
enable_fpu_hazard();
@ -82,16 +82,11 @@ v2: incorporated changes suggested by Jonas Gorski
#ifdef CONFIG_DEBUG_FS
struct mips_fpu_emulator_stats {
@@ -63,6 +64,21 @@ do { \
@@ -63,6 +64,16 @@
extern int fpu_emulator_cop1Handler(struct pt_regs *xcp,
struct mips_fpu_struct *ctx, int has_fpu,
void *__user *fault_addr);
+#else /* no CONFIG_MIPS_FPU_EMULATOR */
+static inline int do_dsemulret(struct pt_regs *xcp)
+{
+ return 0; /* 0 means error, should never get here anyway */
+}
+
+static inline int fpu_emulator_cop1Handler(struct pt_regs *xcp,
+ struct mips_fpu_struct *ctx, int has_fpu,
+ void *__user *fault_addr)
@ -104,3 +99,41 @@ v2: incorporated changes suggested by Jonas Gorski
void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr,
struct task_struct *tsk);
int process_fpemu_return(int sig, void __user *fault_addr,
--- a/arch/mips/include/asm/dsemul.h
+++ b/arch/mips/include/asm/dsemul.h
@@ -41,6 +41,7 @@
extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir,
unsigned long branch_pc, unsigned long cont_pc);
+#ifdef CONFIG_MIPS_FPU_EMULATOR
/**
* do_dsemulret() - Return from a delay slot 'emulation' frame
* @xcp: User thread register context.
@@ -88,5 +89,27 @@
* before @mm is freed in order to avoid memory leaks.
*/
extern void dsemul_mm_cleanup(struct mm_struct *mm);
+#else
+static inline bool do_dsemulret(struct pt_regs *xcp)
+{
+ return false;
+}
+
+static inline bool dsemul_thread_cleanup(struct task_struct *tsk)
+{
+ return false;
+}
+
+static inline bool dsemul_thread_rollback(struct pt_regs *regs)
+{
+ return false;
+}
+
+static inline void dsemul_mm_cleanup(struct mm_struct *mm)
+{
+
+}
+
+#endif
#endif /* __MIPS_ASM_DSEMUL_H__ */