* [PATCH] remoteproc: remove rproc_elf32_sanity_check
@ 2020-03-27 8:49 ` Clement Leger
0 siblings, 0 replies; 9+ messages in thread
From: Clement Leger @ 2020-03-27 8:49 UTC (permalink / raw)
To: Ohad Ben-Cohen, Bjorn Andersson, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue
Cc: linux-remoteproc, linux-kernel, linux-arm-kernel, linux-stm32,
Clement Leger
Since checks are present in the remoteproc elf loader before calling
da_to_va, loading a elf64 will work on 32bits flavors of kernel.
Indeed, if a segment size is larger than what size_t can hold, the
loader will return an error so the functionality is equivalent to
what exists today.
Signed-off-by: Clement Leger <cleger@kalray.eu>
---
drivers/remoteproc/remoteproc_core.c | 2 +-
drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
drivers/remoteproc/remoteproc_internal.h | 1 -
drivers/remoteproc/st_remoteproc.c | 2 +-
drivers/remoteproc/st_slim_rproc.c | 2 +-
drivers/remoteproc/stm32_rproc.c | 2 +-
6 files changed, 4 insertions(+), 26 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index a9ac1d01e09b..02ff076b0122 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
rproc->ops->parse_fw = rproc_elf_load_rsc_table;
rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
if (!rproc->ops->sanity_check)
- rproc->ops->sanity_check = rproc_elf32_sanity_check;
+ rproc->ops->sanity_check = rproc_elf_sanity_check;
rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
}
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index 16e2c496fd45..29034f99898d 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
}
EXPORT_SYMBOL(rproc_elf_sanity_check);
-/**
- * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
- * @rproc: the remote processor handle
- * @fw: the ELF32 firmware image
- *
- * Make sure this fw image is sane.
- */
-int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
-{
- int ret = rproc_elf_sanity_check(rproc, fw);
-
- if (ret)
- return ret;
-
- if (fw_elf_get_class(fw) == ELFCLASS32)
- return 0;
-
- return -EINVAL;
-}
-EXPORT_SYMBOL(rproc_elf32_sanity_check);
-
/**
* rproc_elf_get_boot_addr() - Get rproc's boot address.
* @rproc: the remote processor handle
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index b389dc79da81..31994715fd43 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
phys_addr_t rproc_va_to_pa(void *cpu_addr);
int rproc_trigger_recovery(struct rproc *rproc);
-int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
index a6cbfa452764..a3268d95a50e 100644
--- a/drivers/remoteproc/st_remoteproc.c
+++ b/drivers/remoteproc/st_remoteproc.c
@@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
.parse_fw = st_rproc_parse_fw,
.load = rproc_elf_load_segments,
.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
- .sanity_check = rproc_elf32_sanity_check,
+ .sanity_check = rproc_elf_sanity_check,
.get_boot_addr = rproc_elf_get_boot_addr,
};
diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
index 3cca8b65a8db..09bcb4d8b9e0 100644
--- a/drivers/remoteproc/st_slim_rproc.c
+++ b/drivers/remoteproc/st_slim_rproc.c
@@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
.da_to_va = slim_rproc_da_to_va,
.get_boot_addr = rproc_elf_get_boot_addr,
.load = rproc_elf_load_segments,
- .sanity_check = rproc_elf32_sanity_check,
+ .sanity_check = rproc_elf_sanity_check,
};
/**
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 6a66dbf2df40..2e07a95439c8 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
.load = rproc_elf_load_segments,
.parse_fw = stm32_rproc_parse_fw,
.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
- .sanity_check = rproc_elf32_sanity_check,
+ .sanity_check = rproc_elf_sanity_check,
.get_boot_addr = rproc_elf_get_boot_addr,
};
--
2.17.1
^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH] remoteproc: remove rproc_elf32_sanity_check
@ 2020-03-27 8:49 ` Clement Leger
0 siblings, 0 replies; 9+ messages in thread
From: Clement Leger @ 2020-03-27 8:49 UTC (permalink / raw)
To: Ohad Ben-Cohen, Bjorn Andersson, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue
Cc: Clement Leger, linux-remoteproc, linux-kernel, linux-arm-kernel,
linux-stm32
Since checks are present in the remoteproc elf loader before calling
da_to_va, loading a elf64 will work on 32bits flavors of kernel.
Indeed, if a segment size is larger than what size_t can hold, the
loader will return an error so the functionality is equivalent to
what exists today.
Signed-off-by: Clement Leger <cleger@kalray.eu>
---
drivers/remoteproc/remoteproc_core.c | 2 +-
drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
drivers/remoteproc/remoteproc_internal.h | 1 -
drivers/remoteproc/st_remoteproc.c | 2 +-
drivers/remoteproc/st_slim_rproc.c | 2 +-
drivers/remoteproc/stm32_rproc.c | 2 +-
6 files changed, 4 insertions(+), 26 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index a9ac1d01e09b..02ff076b0122 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
rproc->ops->parse_fw = rproc_elf_load_rsc_table;
rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
if (!rproc->ops->sanity_check)
- rproc->ops->sanity_check = rproc_elf32_sanity_check;
+ rproc->ops->sanity_check = rproc_elf_sanity_check;
rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
}
diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
index 16e2c496fd45..29034f99898d 100644
--- a/drivers/remoteproc/remoteproc_elf_loader.c
+++ b/drivers/remoteproc/remoteproc_elf_loader.c
@@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
}
EXPORT_SYMBOL(rproc_elf_sanity_check);
-/**
- * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
- * @rproc: the remote processor handle
- * @fw: the ELF32 firmware image
- *
- * Make sure this fw image is sane.
- */
-int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
-{
- int ret = rproc_elf_sanity_check(rproc, fw);
-
- if (ret)
- return ret;
-
- if (fw_elf_get_class(fw) == ELFCLASS32)
- return 0;
-
- return -EINVAL;
-}
-EXPORT_SYMBOL(rproc_elf32_sanity_check);
-
/**
* rproc_elf_get_boot_addr() - Get rproc's boot address.
* @rproc: the remote processor handle
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index b389dc79da81..31994715fd43 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
phys_addr_t rproc_va_to_pa(void *cpu_addr);
int rproc_trigger_recovery(struct rproc *rproc);
-int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
index a6cbfa452764..a3268d95a50e 100644
--- a/drivers/remoteproc/st_remoteproc.c
+++ b/drivers/remoteproc/st_remoteproc.c
@@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
.parse_fw = st_rproc_parse_fw,
.load = rproc_elf_load_segments,
.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
- .sanity_check = rproc_elf32_sanity_check,
+ .sanity_check = rproc_elf_sanity_check,
.get_boot_addr = rproc_elf_get_boot_addr,
};
diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
index 3cca8b65a8db..09bcb4d8b9e0 100644
--- a/drivers/remoteproc/st_slim_rproc.c
+++ b/drivers/remoteproc/st_slim_rproc.c
@@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
.da_to_va = slim_rproc_da_to_va,
.get_boot_addr = rproc_elf_get_boot_addr,
.load = rproc_elf_load_segments,
- .sanity_check = rproc_elf32_sanity_check,
+ .sanity_check = rproc_elf_sanity_check,
};
/**
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 6a66dbf2df40..2e07a95439c8 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
.load = rproc_elf_load_segments,
.parse_fw = stm32_rproc_parse_fw,
.find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
- .sanity_check = rproc_elf32_sanity_check,
+ .sanity_check = rproc_elf_sanity_check,
.get_boot_addr = rproc_elf_get_boot_addr,
};
--
2.17.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
2020-03-27 8:49 ` Clement Leger
@ 2020-03-27 16:17 ` Mathieu Poirier
-1 siblings, 0 replies; 9+ messages in thread
From: Mathieu Poirier @ 2020-03-27 16:17 UTC (permalink / raw)
To: Clement Leger
Cc: Ohad Ben-Cohen, Bjorn Andersson, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, linux-remoteproc,
linux-kernel, linux-arm-kernel, linux-stm32
On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
> Since checks are present in the remoteproc elf loader before calling
> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
> Indeed, if a segment size is larger than what size_t can hold, the
> loader will return an error so the functionality is equivalent to
> what exists today.
>
> Signed-off-by: Clement Leger <cleger@kalray.eu>
> ---
> drivers/remoteproc/remoteproc_core.c | 2 +-
> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
> drivers/remoteproc/remoteproc_internal.h | 1 -
> drivers/remoteproc/st_remoteproc.c | 2 +-
> drivers/remoteproc/st_slim_rproc.c | 2 +-
> drivers/remoteproc/stm32_rproc.c | 2 +-
> 6 files changed, 4 insertions(+), 26 deletions(-)
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index a9ac1d01e09b..02ff076b0122 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
> if (!rproc->ops->sanity_check)
> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
> + rproc->ops->sanity_check = rproc_elf_sanity_check;
> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
> }
>
> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
> index 16e2c496fd45..29034f99898d 100644
> --- a/drivers/remoteproc/remoteproc_elf_loader.c
> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
> }
> EXPORT_SYMBOL(rproc_elf_sanity_check);
>
> -/**
> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
> - * @rproc: the remote processor handle
> - * @fw: the ELF32 firmware image
> - *
> - * Make sure this fw image is sane.
> - */
> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
> -{
> - int ret = rproc_elf_sanity_check(rproc, fw);
> -
> - if (ret)
> - return ret;
> -
> - if (fw_elf_get_class(fw) == ELFCLASS32)
> - return 0;
> -
> - return -EINVAL;
> -}
> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
> -
> /**
> * rproc_elf_get_boot_addr() - Get rproc's boot address.
> * @rproc: the remote processor handle
> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
> index b389dc79da81..31994715fd43 100644
> --- a/drivers/remoteproc/remoteproc_internal.h
> +++ b/drivers/remoteproc/remoteproc_internal.h
> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
> phys_addr_t rproc_va_to_pa(void *cpu_addr);
> int rproc_trigger_recovery(struct rproc *rproc);
>
> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
> index a6cbfa452764..a3268d95a50e 100644
> --- a/drivers/remoteproc/st_remoteproc.c
> +++ b/drivers/remoteproc/st_remoteproc.c
> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
> .parse_fw = st_rproc_parse_fw,
> .load = rproc_elf_load_segments,
> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
> - .sanity_check = rproc_elf32_sanity_check,
> + .sanity_check = rproc_elf_sanity_check,
> .get_boot_addr = rproc_elf_get_boot_addr,
> };
>
> diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
> index 3cca8b65a8db..09bcb4d8b9e0 100644
> --- a/drivers/remoteproc/st_slim_rproc.c
> +++ b/drivers/remoteproc/st_slim_rproc.c
> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
> .da_to_va = slim_rproc_da_to_va,
> .get_boot_addr = rproc_elf_get_boot_addr,
> .load = rproc_elf_load_segments,
> - .sanity_check = rproc_elf32_sanity_check,
> + .sanity_check = rproc_elf_sanity_check,
> };
>
> /**
> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
> index 6a66dbf2df40..2e07a95439c8 100644
> --- a/drivers/remoteproc/stm32_rproc.c
> +++ b/drivers/remoteproc/stm32_rproc.c
> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
> .load = rproc_elf_load_segments,
> .parse_fw = stm32_rproc_parse_fw,
> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
> - .sanity_check = rproc_elf32_sanity_check,
> + .sanity_check = rproc_elf_sanity_check,
> .get_boot_addr = rproc_elf_get_boot_addr,
> };
>
> --
> 2.17.1
>
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
@ 2020-03-27 16:17 ` Mathieu Poirier
0 siblings, 0 replies; 9+ messages in thread
From: Mathieu Poirier @ 2020-03-27 16:17 UTC (permalink / raw)
To: Clement Leger
Cc: Ohad Ben-Cohen, Alexandre Torgue, linux-kernel, linux-remoteproc,
Patrice Chotard, Bjorn Andersson, Maxime Coquelin, linux-stm32,
linux-arm-kernel
On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
> Since checks are present in the remoteproc elf loader before calling
> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
> Indeed, if a segment size is larger than what size_t can hold, the
> loader will return an error so the functionality is equivalent to
> what exists today.
>
> Signed-off-by: Clement Leger <cleger@kalray.eu>
> ---
> drivers/remoteproc/remoteproc_core.c | 2 +-
> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
> drivers/remoteproc/remoteproc_internal.h | 1 -
> drivers/remoteproc/st_remoteproc.c | 2 +-
> drivers/remoteproc/st_slim_rproc.c | 2 +-
> drivers/remoteproc/stm32_rproc.c | 2 +-
> 6 files changed, 4 insertions(+), 26 deletions(-)
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index a9ac1d01e09b..02ff076b0122 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
> if (!rproc->ops->sanity_check)
> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
> + rproc->ops->sanity_check = rproc_elf_sanity_check;
> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
> }
>
> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
> index 16e2c496fd45..29034f99898d 100644
> --- a/drivers/remoteproc/remoteproc_elf_loader.c
> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
> }
> EXPORT_SYMBOL(rproc_elf_sanity_check);
>
> -/**
> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
> - * @rproc: the remote processor handle
> - * @fw: the ELF32 firmware image
> - *
> - * Make sure this fw image is sane.
> - */
> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
> -{
> - int ret = rproc_elf_sanity_check(rproc, fw);
> -
> - if (ret)
> - return ret;
> -
> - if (fw_elf_get_class(fw) == ELFCLASS32)
> - return 0;
> -
> - return -EINVAL;
> -}
> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
> -
> /**
> * rproc_elf_get_boot_addr() - Get rproc's boot address.
> * @rproc: the remote processor handle
> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
> index b389dc79da81..31994715fd43 100644
> --- a/drivers/remoteproc/remoteproc_internal.h
> +++ b/drivers/remoteproc/remoteproc_internal.h
> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
> phys_addr_t rproc_va_to_pa(void *cpu_addr);
> int rproc_trigger_recovery(struct rproc *rproc);
>
> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
> index a6cbfa452764..a3268d95a50e 100644
> --- a/drivers/remoteproc/st_remoteproc.c
> +++ b/drivers/remoteproc/st_remoteproc.c
> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
> .parse_fw = st_rproc_parse_fw,
> .load = rproc_elf_load_segments,
> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
> - .sanity_check = rproc_elf32_sanity_check,
> + .sanity_check = rproc_elf_sanity_check,
> .get_boot_addr = rproc_elf_get_boot_addr,
> };
>
> diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
> index 3cca8b65a8db..09bcb4d8b9e0 100644
> --- a/drivers/remoteproc/st_slim_rproc.c
> +++ b/drivers/remoteproc/st_slim_rproc.c
> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
> .da_to_va = slim_rproc_da_to_va,
> .get_boot_addr = rproc_elf_get_boot_addr,
> .load = rproc_elf_load_segments,
> - .sanity_check = rproc_elf32_sanity_check,
> + .sanity_check = rproc_elf_sanity_check,
> };
>
> /**
> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
> index 6a66dbf2df40..2e07a95439c8 100644
> --- a/drivers/remoteproc/stm32_rproc.c
> +++ b/drivers/remoteproc/stm32_rproc.c
> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
> .load = rproc_elf_load_segments,
> .parse_fw = stm32_rproc_parse_fw,
> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
> - .sanity_check = rproc_elf32_sanity_check,
> + .sanity_check = rproc_elf_sanity_check,
> .get_boot_addr = rproc_elf_get_boot_addr,
> };
>
> --
> 2.17.1
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
2020-03-27 16:17 ` Mathieu Poirier
(?)
@ 2020-03-30 19:11 ` Suman Anna
-1 siblings, 0 replies; 9+ messages in thread
From: Suman Anna @ 2020-03-30 19:11 UTC (permalink / raw)
To: Mathieu Poirier, Clement Leger
Cc: Ohad Ben-Cohen, Bjorn Andersson, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, linux-remoteproc,
linux-kernel, linux-arm-kernel, linux-stm32
Hi Clement,
On 3/27/20 11:17 AM, Mathieu Poirier wrote:
> On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
>> Since checks are present in the remoteproc elf loader before calling
>> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
>> Indeed, if a segment size is larger than what size_t can hold, the
>> loader will return an error so the functionality is equivalent to
>> what exists today.
>>
>> Signed-off-by: Clement Leger <cleger@kalray.eu>
>> ---
>> drivers/remoteproc/remoteproc_core.c | 2 +-
>> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
>> drivers/remoteproc/remoteproc_internal.h | 1 -
>> drivers/remoteproc/st_remoteproc.c | 2 +-
>> drivers/remoteproc/st_slim_rproc.c | 2 +-
>> drivers/remoteproc/stm32_rproc.c | 2 +-
>> 6 files changed, 4 insertions(+), 26 deletions(-)
>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>
>>
>> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
>> index a9ac1d01e09b..02ff076b0122 100644
>> --- a/drivers/remoteproc/remoteproc_core.c
>> +++ b/drivers/remoteproc/remoteproc_core.c
>> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
>> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
>> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
>> if (!rproc->ops->sanity_check)
>> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
>> + rproc->ops->sanity_check = rproc_elf_sanity_check;
Do you still need the capability to override the sanity_check? As I
understand, you introduced this to allow platform drivers to use the
appropriate elf32 or elf64 one during the ELF64 loader support series.
regards
Suman
>> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
>> }
>>
>> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
>> index 16e2c496fd45..29034f99898d 100644
>> --- a/drivers/remoteproc/remoteproc_elf_loader.c
>> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
>> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
>> }
>> EXPORT_SYMBOL(rproc_elf_sanity_check);
>>
>> -/**
>> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
>> - * @rproc: the remote processor handle
>> - * @fw: the ELF32 firmware image
>> - *
>> - * Make sure this fw image is sane.
>> - */
>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
>> -{
>> - int ret = rproc_elf_sanity_check(rproc, fw);
>> -
>> - if (ret)
>> - return ret;
>> -
>> - if (fw_elf_get_class(fw) == ELFCLASS32)
>> - return 0;
>> -
>> - return -EINVAL;
>> -}
>> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
>> -
>> /**
>> * rproc_elf_get_boot_addr() - Get rproc's boot address.
>> * @rproc: the remote processor handle
>> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
>> index b389dc79da81..31994715fd43 100644
>> --- a/drivers/remoteproc/remoteproc_internal.h
>> +++ b/drivers/remoteproc/remoteproc_internal.h
>> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
>> phys_addr_t rproc_va_to_pa(void *cpu_addr);
>> int rproc_trigger_recovery(struct rproc *rproc);
>>
>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
>> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
>> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
>> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
>> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
>> index a6cbfa452764..a3268d95a50e 100644
>> --- a/drivers/remoteproc/st_remoteproc.c
>> +++ b/drivers/remoteproc/st_remoteproc.c
>> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
>> .parse_fw = st_rproc_parse_fw,
>> .load = rproc_elf_load_segments,
>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> };
>>
>> diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
>> index 3cca8b65a8db..09bcb4d8b9e0 100644
>> --- a/drivers/remoteproc/st_slim_rproc.c
>> +++ b/drivers/remoteproc/st_slim_rproc.c
>> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
>> .da_to_va = slim_rproc_da_to_va,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> .load = rproc_elf_load_segments,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> };
>>
>> /**
>> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
>> index 6a66dbf2df40..2e07a95439c8 100644
>> --- a/drivers/remoteproc/stm32_rproc.c
>> +++ b/drivers/remoteproc/stm32_rproc.c
>> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
>> .load = rproc_elf_load_segments,
>> .parse_fw = stm32_rproc_parse_fw,
>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> };
>>
>> --
>> 2.17.1
>>
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
@ 2020-03-30 19:11 ` Suman Anna
0 siblings, 0 replies; 9+ messages in thread
From: Suman Anna @ 2020-03-30 19:11 UTC (permalink / raw)
To: Mathieu Poirier, Clement Leger
Cc: Ohad Ben-Cohen, Bjorn Andersson, Patrice Chotard,
Maxime Coquelin, Alexandre Torgue, linux-remoteproc,
linux-kernel, linux-arm-kernel, linux-stm32
Hi Clement,
On 3/27/20 11:17 AM, Mathieu Poirier wrote:
> On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
>> Since checks are present in the remoteproc elf loader before calling
>> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
>> Indeed, if a segment size is larger than what size_t can hold, the
>> loader will return an error so the functionality is equivalent to
>> what exists today.
>>
>> Signed-off-by: Clement Leger <cleger@kalray.eu>
>> ---
>> drivers/remoteproc/remoteproc_core.c | 2 +-
>> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
>> drivers/remoteproc/remoteproc_internal.h | 1 -
>> drivers/remoteproc/st_remoteproc.c | 2 +-
>> drivers/remoteproc/st_slim_rproc.c | 2 +-
>> drivers/remoteproc/stm32_rproc.c | 2 +-
>> 6 files changed, 4 insertions(+), 26 deletions(-)
>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>
>>
>> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
>> index a9ac1d01e09b..02ff076b0122 100644
>> --- a/drivers/remoteproc/remoteproc_core.c
>> +++ b/drivers/remoteproc/remoteproc_core.c
>> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
>> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
>> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
>> if (!rproc->ops->sanity_check)
>> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
>> + rproc->ops->sanity_check = rproc_elf_sanity_check;
Do you still need the capability to override the sanity_check? As I
understand, you introduced this to allow platform drivers to use the
appropriate elf32 or elf64 one during the ELF64 loader support series.
regards
Suman
>> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
>> }
>>
>> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
>> index 16e2c496fd45..29034f99898d 100644
>> --- a/drivers/remoteproc/remoteproc_elf_loader.c
>> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
>> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
>> }
>> EXPORT_SYMBOL(rproc_elf_sanity_check);
>>
>> -/**
>> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
>> - * @rproc: the remote processor handle
>> - * @fw: the ELF32 firmware image
>> - *
>> - * Make sure this fw image is sane.
>> - */
>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
>> -{
>> - int ret = rproc_elf_sanity_check(rproc, fw);
>> -
>> - if (ret)
>> - return ret;
>> -
>> - if (fw_elf_get_class(fw) == ELFCLASS32)
>> - return 0;
>> -
>> - return -EINVAL;
>> -}
>> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
>> -
>> /**
>> * rproc_elf_get_boot_addr() - Get rproc's boot address.
>> * @rproc: the remote processor handle
>> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
>> index b389dc79da81..31994715fd43 100644
>> --- a/drivers/remoteproc/remoteproc_internal.h
>> +++ b/drivers/remoteproc/remoteproc_internal.h
>> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
>> phys_addr_t rproc_va_to_pa(void *cpu_addr);
>> int rproc_trigger_recovery(struct rproc *rproc);
>>
>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
>> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
>> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
>> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
>> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
>> index a6cbfa452764..a3268d95a50e 100644
>> --- a/drivers/remoteproc/st_remoteproc.c
>> +++ b/drivers/remoteproc/st_remoteproc.c
>> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
>> .parse_fw = st_rproc_parse_fw,
>> .load = rproc_elf_load_segments,
>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> };
>>
>> diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
>> index 3cca8b65a8db..09bcb4d8b9e0 100644
>> --- a/drivers/remoteproc/st_slim_rproc.c
>> +++ b/drivers/remoteproc/st_slim_rproc.c
>> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
>> .da_to_va = slim_rproc_da_to_va,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> .load = rproc_elf_load_segments,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> };
>>
>> /**
>> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
>> index 6a66dbf2df40..2e07a95439c8 100644
>> --- a/drivers/remoteproc/stm32_rproc.c
>> +++ b/drivers/remoteproc/stm32_rproc.c
>> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
>> .load = rproc_elf_load_segments,
>> .parse_fw = stm32_rproc_parse_fw,
>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> };
>>
>> --
>> 2.17.1
>>
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
@ 2020-03-30 19:11 ` Suman Anna
0 siblings, 0 replies; 9+ messages in thread
From: Suman Anna @ 2020-03-30 19:11 UTC (permalink / raw)
To: Mathieu Poirier, Clement Leger
Cc: Ohad Ben-Cohen, Alexandre Torgue, linux-kernel, linux-remoteproc,
Patrice Chotard, Bjorn Andersson, Maxime Coquelin, linux-stm32,
linux-arm-kernel
Hi Clement,
On 3/27/20 11:17 AM, Mathieu Poirier wrote:
> On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
>> Since checks are present in the remoteproc elf loader before calling
>> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
>> Indeed, if a segment size is larger than what size_t can hold, the
>> loader will return an error so the functionality is equivalent to
>> what exists today.
>>
>> Signed-off-by: Clement Leger <cleger@kalray.eu>
>> ---
>> drivers/remoteproc/remoteproc_core.c | 2 +-
>> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
>> drivers/remoteproc/remoteproc_internal.h | 1 -
>> drivers/remoteproc/st_remoteproc.c | 2 +-
>> drivers/remoteproc/st_slim_rproc.c | 2 +-
>> drivers/remoteproc/stm32_rproc.c | 2 +-
>> 6 files changed, 4 insertions(+), 26 deletions(-)
>
> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>
>>
>> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
>> index a9ac1d01e09b..02ff076b0122 100644
>> --- a/drivers/remoteproc/remoteproc_core.c
>> +++ b/drivers/remoteproc/remoteproc_core.c
>> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
>> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
>> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
>> if (!rproc->ops->sanity_check)
>> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
>> + rproc->ops->sanity_check = rproc_elf_sanity_check;
Do you still need the capability to override the sanity_check? As I
understand, you introduced this to allow platform drivers to use the
appropriate elf32 or elf64 one during the ELF64 loader support series.
regards
Suman
>> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
>> }
>>
>> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c b/drivers/remoteproc/remoteproc_elf_loader.c
>> index 16e2c496fd45..29034f99898d 100644
>> --- a/drivers/remoteproc/remoteproc_elf_loader.c
>> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
>> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw)
>> }
>> EXPORT_SYMBOL(rproc_elf_sanity_check);
>>
>> -/**
>> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
>> - * @rproc: the remote processor handle
>> - * @fw: the ELF32 firmware image
>> - *
>> - * Make sure this fw image is sane.
>> - */
>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
>> -{
>> - int ret = rproc_elf_sanity_check(rproc, fw);
>> -
>> - if (ret)
>> - return ret;
>> -
>> - if (fw_elf_get_class(fw) == ELFCLASS32)
>> - return 0;
>> -
>> - return -EINVAL;
>> -}
>> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
>> -
>> /**
>> * rproc_elf_get_boot_addr() - Get rproc's boot address.
>> * @rproc: the remote processor handle
>> diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
>> index b389dc79da81..31994715fd43 100644
>> --- a/drivers/remoteproc/remoteproc_internal.h
>> +++ b/drivers/remoteproc/remoteproc_internal.h
>> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
>> phys_addr_t rproc_va_to_pa(void *cpu_addr);
>> int rproc_trigger_recovery(struct rproc *rproc);
>>
>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
>> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
>> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
>> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
>> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
>> index a6cbfa452764..a3268d95a50e 100644
>> --- a/drivers/remoteproc/st_remoteproc.c
>> +++ b/drivers/remoteproc/st_remoteproc.c
>> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
>> .parse_fw = st_rproc_parse_fw,
>> .load = rproc_elf_load_segments,
>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> };
>>
>> diff --git a/drivers/remoteproc/st_slim_rproc.c b/drivers/remoteproc/st_slim_rproc.c
>> index 3cca8b65a8db..09bcb4d8b9e0 100644
>> --- a/drivers/remoteproc/st_slim_rproc.c
>> +++ b/drivers/remoteproc/st_slim_rproc.c
>> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
>> .da_to_va = slim_rproc_da_to_va,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> .load = rproc_elf_load_segments,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> };
>>
>> /**
>> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
>> index 6a66dbf2df40..2e07a95439c8 100644
>> --- a/drivers/remoteproc/stm32_rproc.c
>> +++ b/drivers/remoteproc/stm32_rproc.c
>> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
>> .load = rproc_elf_load_segments,
>> .parse_fw = stm32_rproc_parse_fw,
>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>> - .sanity_check = rproc_elf32_sanity_check,
>> + .sanity_check = rproc_elf_sanity_check,
>> .get_boot_addr = rproc_elf_get_boot_addr,
>> };
>>
>> --
>> 2.17.1
>>
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^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
2020-03-30 19:11 ` Suman Anna
@ 2020-03-31 6:51 ` Clément Leger
-1 siblings, 0 replies; 9+ messages in thread
From: Clément Leger @ 2020-03-31 6:51 UTC (permalink / raw)
To: s-anna
Cc: Mathieu Poirier, Ohad Ben-Cohen, Bjorn Andersson,
Patrice Chotard, Maxime Coquelin, Alexandre Torgue,
linux-remoteproc, linux-kernel, linux-arm-kernel, linux-stm32
Hi Suman,
----- On 30 Mar, 2020, at 21:11, s-anna s-anna@ti.com wrote:
> Hi Clement,
>
> On 3/27/20 11:17 AM, Mathieu Poirier wrote:
>> On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
>>> Since checks are present in the remoteproc elf loader before calling
>>> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
>>> Indeed, if a segment size is larger than what size_t can hold, the
>>> loader will return an error so the functionality is equivalent to
>>> what exists today.
>>>
>>> Signed-off-by: Clement Leger <cleger@kalray.eu>
>>> ---
>>> drivers/remoteproc/remoteproc_core.c | 2 +-
>>> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
>>> drivers/remoteproc/remoteproc_internal.h | 1 -
>>> drivers/remoteproc/st_remoteproc.c | 2 +-
>>> drivers/remoteproc/st_slim_rproc.c | 2 +-
>>> drivers/remoteproc/stm32_rproc.c | 2 +-
>>> 6 files changed, 4 insertions(+), 26 deletions(-)
>>
>> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>>
>>>
>>> diff --git a/drivers/remoteproc/remoteproc_core.c
>>> b/drivers/remoteproc/remoteproc_core.c
>>> index a9ac1d01e09b..02ff076b0122 100644
>>> --- a/drivers/remoteproc/remoteproc_core.c
>>> +++ b/drivers/remoteproc/remoteproc_core.c
>>> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char
>>> *name,
>>> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
>>> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
>>> if (!rproc->ops->sanity_check)
>>> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
>>> + rproc->ops->sanity_check = rproc_elf_sanity_check;
>
> Do you still need the capability to override the sanity_check? As I
> understand, you introduced this to allow platform drivers to use the
> appropriate elf32 or elf64 one during the ELF64 loader support series.
Indeed, this is probably not needed anymore, I will modify that.
>
> regards
> Suman
>
>>> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
>>> }
>>>
>>> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c
>>> b/drivers/remoteproc/remoteproc_elf_loader.c
>>> index 16e2c496fd45..29034f99898d 100644
>>> --- a/drivers/remoteproc/remoteproc_elf_loader.c
>>> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
>>> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const
>>> struct firmware *fw)
>>> }
>>> EXPORT_SYMBOL(rproc_elf_sanity_check);
>>>
>>> -/**
>>> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
>>> - * @rproc: the remote processor handle
>>> - * @fw: the ELF32 firmware image
>>> - *
>>> - * Make sure this fw image is sane.
>>> - */
>>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
>>> -{
>>> - int ret = rproc_elf_sanity_check(rproc, fw);
>>> -
>>> - if (ret)
>>> - return ret;
>>> -
>>> - if (fw_elf_get_class(fw) == ELFCLASS32)
>>> - return 0;
>>> -
>>> - return -EINVAL;
>>> -}
>>> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
>>> -
>>> /**
>>> * rproc_elf_get_boot_addr() - Get rproc's boot address.
>>> * @rproc: the remote processor handle
>>> diff --git a/drivers/remoteproc/remoteproc_internal.h
>>> b/drivers/remoteproc/remoteproc_internal.h
>>> index b389dc79da81..31994715fd43 100644
>>> --- a/drivers/remoteproc/remoteproc_internal.h
>>> +++ b/drivers/remoteproc/remoteproc_internal.h
>>> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
>>> phys_addr_t rproc_va_to_pa(void *cpu_addr);
>>> int rproc_trigger_recovery(struct rproc *rproc);
>>>
>>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
>>> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
>>> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
>>> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
>>> diff --git a/drivers/remoteproc/st_remoteproc.c
>>> b/drivers/remoteproc/st_remoteproc.c
>>> index a6cbfa452764..a3268d95a50e 100644
>>> --- a/drivers/remoteproc/st_remoteproc.c
>>> +++ b/drivers/remoteproc/st_remoteproc.c
>>> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
>>> .parse_fw = st_rproc_parse_fw,
>>> .load = rproc_elf_load_segments,
>>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>>> - .sanity_check = rproc_elf32_sanity_check,
>>> + .sanity_check = rproc_elf_sanity_check,
>>> .get_boot_addr = rproc_elf_get_boot_addr,
>>> };
>>>
>>> diff --git a/drivers/remoteproc/st_slim_rproc.c
>>> b/drivers/remoteproc/st_slim_rproc.c
>>> index 3cca8b65a8db..09bcb4d8b9e0 100644
>>> --- a/drivers/remoteproc/st_slim_rproc.c
>>> +++ b/drivers/remoteproc/st_slim_rproc.c
>>> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
>>> .da_to_va = slim_rproc_da_to_va,
>>> .get_boot_addr = rproc_elf_get_boot_addr,
>>> .load = rproc_elf_load_segments,
>>> - .sanity_check = rproc_elf32_sanity_check,
>>> + .sanity_check = rproc_elf_sanity_check,
>>> };
>>>
>>> /**
>>> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
>>> index 6a66dbf2df40..2e07a95439c8 100644
>>> --- a/drivers/remoteproc/stm32_rproc.c
>>> +++ b/drivers/remoteproc/stm32_rproc.c
>>> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
>>> .load = rproc_elf_load_segments,
>>> .parse_fw = stm32_rproc_parse_fw,
>>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>>> - .sanity_check = rproc_elf32_sanity_check,
>>> + .sanity_check = rproc_elf_sanity_check,
>>> .get_boot_addr = rproc_elf_get_boot_addr,
>>> };
>>>
>>> --
>>> 2.17.1
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [PATCH] remoteproc: remove rproc_elf32_sanity_check
@ 2020-03-31 6:51 ` Clément Leger
0 siblings, 0 replies; 9+ messages in thread
From: Clément Leger @ 2020-03-31 6:51 UTC (permalink / raw)
To: s-anna
Cc: Ohad Ben-Cohen, Alexandre Torgue, Mathieu Poirier, linux-kernel,
linux-remoteproc, Patrice Chotard, Bjorn Andersson,
Maxime Coquelin, linux-stm32, linux-arm-kernel
Hi Suman,
----- On 30 Mar, 2020, at 21:11, s-anna s-anna@ti.com wrote:
> Hi Clement,
>
> On 3/27/20 11:17 AM, Mathieu Poirier wrote:
>> On Fri, Mar 27, 2020 at 09:49:39AM +0100, Clement Leger wrote:
>>> Since checks are present in the remoteproc elf loader before calling
>>> da_to_va, loading a elf64 will work on 32bits flavors of kernel.
>>> Indeed, if a segment size is larger than what size_t can hold, the
>>> loader will return an error so the functionality is equivalent to
>>> what exists today.
>>>
>>> Signed-off-by: Clement Leger <cleger@kalray.eu>
>>> ---
>>> drivers/remoteproc/remoteproc_core.c | 2 +-
>>> drivers/remoteproc/remoteproc_elf_loader.c | 21 ---------------------
>>> drivers/remoteproc/remoteproc_internal.h | 1 -
>>> drivers/remoteproc/st_remoteproc.c | 2 +-
>>> drivers/remoteproc/st_slim_rproc.c | 2 +-
>>> drivers/remoteproc/stm32_rproc.c | 2 +-
>>> 6 files changed, 4 insertions(+), 26 deletions(-)
>>
>> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
>>
>>>
>>> diff --git a/drivers/remoteproc/remoteproc_core.c
>>> b/drivers/remoteproc/remoteproc_core.c
>>> index a9ac1d01e09b..02ff076b0122 100644
>>> --- a/drivers/remoteproc/remoteproc_core.c
>>> +++ b/drivers/remoteproc/remoteproc_core.c
>>> @@ -2069,7 +2069,7 @@ struct rproc *rproc_alloc(struct device *dev, const char
>>> *name,
>>> rproc->ops->parse_fw = rproc_elf_load_rsc_table;
>>> rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
>>> if (!rproc->ops->sanity_check)
>>> - rproc->ops->sanity_check = rproc_elf32_sanity_check;
>>> + rproc->ops->sanity_check = rproc_elf_sanity_check;
>
> Do you still need the capability to override the sanity_check? As I
> understand, you introduced this to allow platform drivers to use the
> appropriate elf32 or elf64 one during the ELF64 loader support series.
Indeed, this is probably not needed anymore, I will modify that.
>
> regards
> Suman
>
>>> rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
>>> }
>>>
>>> diff --git a/drivers/remoteproc/remoteproc_elf_loader.c
>>> b/drivers/remoteproc/remoteproc_elf_loader.c
>>> index 16e2c496fd45..29034f99898d 100644
>>> --- a/drivers/remoteproc/remoteproc_elf_loader.c
>>> +++ b/drivers/remoteproc/remoteproc_elf_loader.c
>>> @@ -112,27 +112,6 @@ int rproc_elf_sanity_check(struct rproc *rproc, const
>>> struct firmware *fw)
>>> }
>>> EXPORT_SYMBOL(rproc_elf_sanity_check);
>>>
>>> -/**
>>> - * rproc_elf_sanity_check() - Sanity Check ELF32 firmware image
>>> - * @rproc: the remote processor handle
>>> - * @fw: the ELF32 firmware image
>>> - *
>>> - * Make sure this fw image is sane.
>>> - */
>>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw)
>>> -{
>>> - int ret = rproc_elf_sanity_check(rproc, fw);
>>> -
>>> - if (ret)
>>> - return ret;
>>> -
>>> - if (fw_elf_get_class(fw) == ELFCLASS32)
>>> - return 0;
>>> -
>>> - return -EINVAL;
>>> -}
>>> -EXPORT_SYMBOL(rproc_elf32_sanity_check);
>>> -
>>> /**
>>> * rproc_elf_get_boot_addr() - Get rproc's boot address.
>>> * @rproc: the remote processor handle
>>> diff --git a/drivers/remoteproc/remoteproc_internal.h
>>> b/drivers/remoteproc/remoteproc_internal.h
>>> index b389dc79da81..31994715fd43 100644
>>> --- a/drivers/remoteproc/remoteproc_internal.h
>>> +++ b/drivers/remoteproc/remoteproc_internal.h
>>> @@ -54,7 +54,6 @@ void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
>>> phys_addr_t rproc_va_to_pa(void *cpu_addr);
>>> int rproc_trigger_recovery(struct rproc *rproc);
>>>
>>> -int rproc_elf32_sanity_check(struct rproc *rproc, const struct firmware *fw);
>>> int rproc_elf_sanity_check(struct rproc *rproc, const struct firmware *fw);
>>> u64 rproc_elf_get_boot_addr(struct rproc *rproc, const struct firmware *fw);
>>> int rproc_elf_load_segments(struct rproc *rproc, const struct firmware *fw);
>>> diff --git a/drivers/remoteproc/st_remoteproc.c
>>> b/drivers/remoteproc/st_remoteproc.c
>>> index a6cbfa452764..a3268d95a50e 100644
>>> --- a/drivers/remoteproc/st_remoteproc.c
>>> +++ b/drivers/remoteproc/st_remoteproc.c
>>> @@ -233,7 +233,7 @@ static const struct rproc_ops st_rproc_ops = {
>>> .parse_fw = st_rproc_parse_fw,
>>> .load = rproc_elf_load_segments,
>>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>>> - .sanity_check = rproc_elf32_sanity_check,
>>> + .sanity_check = rproc_elf_sanity_check,
>>> .get_boot_addr = rproc_elf_get_boot_addr,
>>> };
>>>
>>> diff --git a/drivers/remoteproc/st_slim_rproc.c
>>> b/drivers/remoteproc/st_slim_rproc.c
>>> index 3cca8b65a8db..09bcb4d8b9e0 100644
>>> --- a/drivers/remoteproc/st_slim_rproc.c
>>> +++ b/drivers/remoteproc/st_slim_rproc.c
>>> @@ -203,7 +203,7 @@ static const struct rproc_ops slim_rproc_ops = {
>>> .da_to_va = slim_rproc_da_to_va,
>>> .get_boot_addr = rproc_elf_get_boot_addr,
>>> .load = rproc_elf_load_segments,
>>> - .sanity_check = rproc_elf32_sanity_check,
>>> + .sanity_check = rproc_elf_sanity_check,
>>> };
>>>
>>> /**
>>> diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
>>> index 6a66dbf2df40..2e07a95439c8 100644
>>> --- a/drivers/remoteproc/stm32_rproc.c
>>> +++ b/drivers/remoteproc/stm32_rproc.c
>>> @@ -505,7 +505,7 @@ static struct rproc_ops st_rproc_ops = {
>>> .load = rproc_elf_load_segments,
>>> .parse_fw = stm32_rproc_parse_fw,
>>> .find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table,
>>> - .sanity_check = rproc_elf32_sanity_check,
>>> + .sanity_check = rproc_elf_sanity_check,
>>> .get_boot_addr = rproc_elf_get_boot_addr,
>>> };
>>>
>>> --
>>> 2.17.1
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^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2020-03-31 6:51 UTC | newest]
Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-03-27 8:49 [PATCH] remoteproc: remove rproc_elf32_sanity_check Clement Leger
2020-03-27 8:49 ` Clement Leger
2020-03-27 16:17 ` Mathieu Poirier
2020-03-27 16:17 ` Mathieu Poirier
2020-03-30 19:11 ` Suman Anna
2020-03-30 19:11 ` Suman Anna
2020-03-30 19:11 ` Suman Anna
2020-03-31 6:51 ` Clément Leger
2020-03-31 6:51 ` Clément Leger
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