diff options
2 files changed, 0 insertions, 321 deletions
diff --git a/target/linux/malta/patches-2.6.39/001-mips-malta-fix-crash-smp-kernel-on-non-cmp-systems.patch b/target/linux/malta/patches-2.6.39/001-mips-malta-fix-crash-smp-kernel-on-non-cmp-systems.patch deleted file mode 100644 index 03866df7f..000000000 --- a/target/linux/malta/patches-2.6.39/001-mips-malta-fix-crash-smp-kernel-on-non-cmp-systems.patch +++ /dev/null @@ -1,166 +0,0 @@ -From d9a056919c4fa46cd9e094f969032bd4e15bffef Mon Sep 17 00:00:00 2001 -From: Ralf Baechle <ralf@linux-mips.org> -Date: Sat, 28 May 2011 15:27:59 +0100 -Subject: [PATCH] MIPS: Malta: Fix crash SMP kernel on non-CMP systems. - -Since 6be63bbbdab66b9185dc6f67c8b1bacb6f37f946 (lmo) rsp. -af3a1f6f4813907e143f87030cde67a9971db533 (kernel.org) the Malta code does -no longer probe for presence of GCMP if CMP is not configured. This means -that the variable gcmp_present well be left at its default value of -1 -which normally is meant to indicate that GCMP has not yet been mmapped. -This non-zero value is now interpreted as GCMP being present resulting -in a write attempt to a GCMP register resulting in a crash. - -Reported and a build fix on top of my fix by Rob Landley <rob@landley.net>. - -Reported-by: Rob Landley <rob@landley.net> -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> -Patchwork: https://patchwork.linux-mips.org/patch/2413/ -(cherry picked from commit c3ddf592134eaab38d051b2e7b23e81201ae423a) ---- - arch/mips/include/asm/smp-ops.h | 41 +++++++++++++++++++++++++++-- - arch/mips/mipssim/sim_setup.c | 17 ++++++------ - arch/mips/mti-malta/malta-init.c | 14 +++++----- - arch/mips/pmc-sierra/msp71xx/msp_setup.c | 8 ++--- - 4 files changed, 56 insertions(+), 24 deletions(-) - -diff --git a/arch/mips/include/asm/smp-ops.h b/arch/mips/include/asm/smp-ops.h -index 9e09af3..48b03ff 100644 ---- a/arch/mips/include/asm/smp-ops.h -+++ b/arch/mips/include/asm/smp-ops.h -@@ -56,8 +56,43 @@ static inline void register_smp_ops(struct plat_smp_ops *ops) - - #endif /* !CONFIG_SMP */ - --extern struct plat_smp_ops up_smp_ops; --extern struct plat_smp_ops cmp_smp_ops; --extern struct plat_smp_ops vsmp_smp_ops; -+static inline int register_up_smp_ops(void) -+{ -+#ifdef CONFIG_SMP_UP -+ extern struct plat_smp_ops up_smp_ops; -+ -+ register_smp_ops(&up_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} -+ -+static inline int register_cmp_smp_ops(void) -+{ -+#ifdef CONFIG_MIPS_CMP -+ extern struct plat_smp_ops cmp_smp_ops; -+ -+ register_smp_ops(&cmp_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} -+ -+static inline int register_vsmp_smp_ops(void) -+{ -+#ifdef CONFIG_MIPS_MT_SMP -+ extern struct plat_smp_ops vsmp_smp_ops; -+ -+ register_smp_ops(&vsmp_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} - - #endif /* __ASM_SMP_OPS_H */ -diff --git a/arch/mips/mipssim/sim_setup.c b/arch/mips/mipssim/sim_setup.c -index 55f22a3..1970069 100644 ---- a/arch/mips/mipssim/sim_setup.c -+++ b/arch/mips/mipssim/sim_setup.c -@@ -59,18 +59,17 @@ void __init prom_init(void) - - prom_meminit(); - --#ifdef CONFIG_MIPS_MT_SMP -- if (cpu_has_mipsmt) -- register_smp_ops(&vsmp_smp_ops); -- else -- register_smp_ops(&up_smp_ops); --#endif -+ if (cpu_has_mipsmt) { -+ if (!register_vsmp_smp_ops()) -+ return; -+ - #ifdef CONFIG_MIPS_MT_SMTC -- if (cpu_has_mipsmt) - register_smp_ops(&ssmtc_smp_ops); -- else -- register_smp_ops(&up_smp_ops); -+ return; - #endif -+ } -+ -+ register_up_smp_ops(); - } - - static void __init serial_init(void) -diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c -index 31180c3..4b988b9 100644 ---- a/arch/mips/mti-malta/malta-init.c -+++ b/arch/mips/mti-malta/malta-init.c -@@ -28,6 +28,7 @@ - #include <asm/io.h> - #include <asm/system.h> - #include <asm/cacheflush.h> -+#include <asm/smp-ops.h> - #include <asm/traps.h> - - #include <asm/gcmpregs.h> -@@ -358,15 +359,14 @@ void __init prom_init(void) - #ifdef CONFIG_SERIAL_8250_CONSOLE - console_config(); - #endif --#ifdef CONFIG_MIPS_CMP - /* Early detection of CMP support */ - if (gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ)) -- register_smp_ops(&cmp_smp_ops); -- else --#endif --#ifdef CONFIG_MIPS_MT_SMP -- register_smp_ops(&vsmp_smp_ops); --#endif -+ if (!register_cmp_smp_ops()) -+ return; -+ -+ if (!register_vsmp_smp_ops()) -+ return; -+ - #ifdef CONFIG_MIPS_MT_SMTC - register_smp_ops(&msmtc_smp_ops); - #endif -diff --git a/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/arch/mips/pmc-sierra/msp71xx/msp_setup.c -index 2413ea6..0abfbe0 100644 ---- a/arch/mips/pmc-sierra/msp71xx/msp_setup.c -+++ b/arch/mips/pmc-sierra/msp71xx/msp_setup.c -@@ -228,13 +228,11 @@ void __init prom_init(void) - */ - msp_serial_setup(); - --#ifdef CONFIG_MIPS_MT_SMP -- register_smp_ops(&vsmp_smp_ops); --#endif -- -+ if (register_vsmp_smp_ops()) { - #ifdef CONFIG_MIPS_MT_SMTC -- register_smp_ops(&msp_smtc_smp_ops); -+ register_smp_ops(&msp_smtc_smp_ops); - #endif -+ } - - #ifdef CONFIG_PMCTWILED - /* --- -1.7.3.4 - diff --git a/target/linux/malta/patches-3.0/001-mips-malta-fix-crash-smp-kernel-on-non-cmp-systems.patch b/target/linux/malta/patches-3.0/001-mips-malta-fix-crash-smp-kernel-on-non-cmp-systems.patch deleted file mode 100644 index 2f29a33d9..000000000 --- a/target/linux/malta/patches-3.0/001-mips-malta-fix-crash-smp-kernel-on-non-cmp-systems.patch +++ /dev/null @@ -1,155 +0,0 @@ -From d9a056919c4fa46cd9e094f969032bd4e15bffef Mon Sep 17 00:00:00 2001 -From: Ralf Baechle <ralf@linux-mips.org> -Date: Sat, 28 May 2011 15:27:59 +0100 -Subject: [PATCH] MIPS: Malta: Fix crash SMP kernel on non-CMP systems. - -Since 6be63bbbdab66b9185dc6f67c8b1bacb6f37f946 (lmo) rsp. -af3a1f6f4813907e143f87030cde67a9971db533 (kernel.org) the Malta code does -no longer probe for presence of GCMP if CMP is not configured. This means -that the variable gcmp_present well be left at its default value of -1 -which normally is meant to indicate that GCMP has not yet been mmapped. -This non-zero value is now interpreted as GCMP being present resulting -in a write attempt to a GCMP register resulting in a crash. - -Reported and a build fix on top of my fix by Rob Landley <rob@landley.net>. - -Reported-by: Rob Landley <rob@landley.net> -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> -Patchwork: https://patchwork.linux-mips.org/patch/2413/ -(cherry picked from commit c3ddf592134eaab38d051b2e7b23e81201ae423a) ---- - arch/mips/include/asm/smp-ops.h | 41 +++++++++++++++++++++++++++-- - arch/mips/mipssim/sim_setup.c | 17 ++++++------ - arch/mips/mti-malta/malta-init.c | 14 +++++----- - arch/mips/pmc-sierra/msp71xx/msp_setup.c | 8 ++--- - 4 files changed, 56 insertions(+), 24 deletions(-) - ---- a/arch/mips/include/asm/smp-ops.h -+++ b/arch/mips/include/asm/smp-ops.h -@@ -56,8 +56,43 @@ static inline void register_smp_ops(stru - - #endif /* !CONFIG_SMP */ - --extern struct plat_smp_ops up_smp_ops; --extern struct plat_smp_ops cmp_smp_ops; --extern struct plat_smp_ops vsmp_smp_ops; -+static inline int register_up_smp_ops(void) -+{ -+#ifdef CONFIG_SMP_UP -+ extern struct plat_smp_ops up_smp_ops; -+ -+ register_smp_ops(&up_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} -+ -+static inline int register_cmp_smp_ops(void) -+{ -+#ifdef CONFIG_MIPS_CMP -+ extern struct plat_smp_ops cmp_smp_ops; -+ -+ register_smp_ops(&cmp_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} -+ -+static inline int register_vsmp_smp_ops(void) -+{ -+#ifdef CONFIG_MIPS_MT_SMP -+ extern struct plat_smp_ops vsmp_smp_ops; -+ -+ register_smp_ops(&vsmp_smp_ops); -+ -+ return 0; -+#else -+ return -ENODEV; -+#endif -+} - - #endif /* __ASM_SMP_OPS_H */ ---- a/arch/mips/mipssim/sim_setup.c -+++ b/arch/mips/mipssim/sim_setup.c -@@ -59,18 +59,17 @@ void __init prom_init(void) - - prom_meminit(); - --#ifdef CONFIG_MIPS_MT_SMP -- if (cpu_has_mipsmt) -- register_smp_ops(&vsmp_smp_ops); -- else -- register_smp_ops(&up_smp_ops); --#endif -+ if (cpu_has_mipsmt) { -+ if (!register_vsmp_smp_ops()) -+ return; -+ - #ifdef CONFIG_MIPS_MT_SMTC -- if (cpu_has_mipsmt) - register_smp_ops(&ssmtc_smp_ops); -- else -- register_smp_ops(&up_smp_ops); -+ return; - #endif -+ } -+ -+ register_up_smp_ops(); - } - - static void __init serial_init(void) ---- a/arch/mips/mti-malta/malta-init.c -+++ b/arch/mips/mti-malta/malta-init.c -@@ -28,6 +28,7 @@ - #include <asm/io.h> - #include <asm/system.h> - #include <asm/cacheflush.h> -+#include <asm/smp-ops.h> - #include <asm/traps.h> - - #include <asm/gcmpregs.h> -@@ -358,15 +359,14 @@ void __init prom_init(void) - #ifdef CONFIG_SERIAL_8250_CONSOLE - console_config(); - #endif --#ifdef CONFIG_MIPS_CMP - /* Early detection of CMP support */ - if (gcmp_probe(GCMP_BASE_ADDR, GCMP_ADDRSPACE_SZ)) -- register_smp_ops(&cmp_smp_ops); -- else --#endif --#ifdef CONFIG_MIPS_MT_SMP -- register_smp_ops(&vsmp_smp_ops); --#endif -+ if (!register_cmp_smp_ops()) -+ return; -+ -+ if (!register_vsmp_smp_ops()) -+ return; -+ - #ifdef CONFIG_MIPS_MT_SMTC - register_smp_ops(&msmtc_smp_ops); - #endif ---- a/arch/mips/pmc-sierra/msp71xx/msp_setup.c -+++ b/arch/mips/pmc-sierra/msp71xx/msp_setup.c -@@ -228,13 +228,11 @@ void __init prom_init(void) - */ - msp_serial_setup(); - --#ifdef CONFIG_MIPS_MT_SMP -- register_smp_ops(&vsmp_smp_ops); --#endif -- -+ if (register_vsmp_smp_ops()) { - #ifdef CONFIG_MIPS_MT_SMTC -- register_smp_ops(&msp_smtc_smp_ops); -+ register_smp_ops(&msp_smtc_smp_ops); - #endif -+ } - - #ifdef CONFIG_PMCTWILED - /* |