From: Alexandre Ghiti <alex@ghiti.fr> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Alexandre Ghiti <alex@ghiti.fr> Subject: [PATCH -fixes 2/3] Revert "riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED" Date: Wed, 21 Jul 2021 09:59:36 +0200 [thread overview] Message-ID: <20210721075937.696811-3-alex@ghiti.fr> (raw) In-Reply-To: <20210721075937.696811-1-alex@ghiti.fr> This reverts commit 9b79878ced8f7ab85c57623f8b1f6882e484a316. The removal of this config exposes CONFIG_PHYS_RAM_BASE for all kernel types: this value being implementation-specific, this breaks the genericity of the RISC-V kernel so revert it. Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> --- arch/riscv/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 8fcceb8eda07..6a02caf49cde 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -494,8 +494,13 @@ config STACKPROTECTOR_PER_TASK def_bool y depends on STACKPROTECTOR && CC_HAVE_STACKPROTECTOR_TLS +config PHYS_RAM_BASE_FIXED + bool "Explicitly specified physical RAM address" + default n + config PHYS_RAM_BASE hex "Platform Physical RAM address" + depends on PHYS_RAM_BASE_FIXED default "0x80000000" help This is the physical address of RAM in the system. It has to be @@ -508,6 +513,7 @@ config XIP_KERNEL # This prevents XIP from being enabled by all{yes,mod}config, which # fail to build since XIP doesn't support large kernels. depends on !COMPILE_TEST + select PHYS_RAM_BASE_FIXED help Execute-In-Place allows the kernel to run from non-volatile storage directly addressable by the CPU, such as NOR flash. This saves RAM -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Ghiti <alex@ghiti.fr> To: Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Alexandre Ghiti <alex@ghiti.fr> Subject: [PATCH -fixes 2/3] Revert "riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED" Date: Wed, 21 Jul 2021 09:59:36 +0200 [thread overview] Message-ID: <20210721075937.696811-3-alex@ghiti.fr> (raw) In-Reply-To: <20210721075937.696811-1-alex@ghiti.fr> This reverts commit 9b79878ced8f7ab85c57623f8b1f6882e484a316. The removal of this config exposes CONFIG_PHYS_RAM_BASE for all kernel types: this value being implementation-specific, this breaks the genericity of the RISC-V kernel so revert it. Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> --- arch/riscv/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 8fcceb8eda07..6a02caf49cde 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -494,8 +494,13 @@ config STACKPROTECTOR_PER_TASK def_bool y depends on STACKPROTECTOR && CC_HAVE_STACKPROTECTOR_TLS +config PHYS_RAM_BASE_FIXED + bool "Explicitly specified physical RAM address" + default n + config PHYS_RAM_BASE hex "Platform Physical RAM address" + depends on PHYS_RAM_BASE_FIXED default "0x80000000" help This is the physical address of RAM in the system. It has to be @@ -508,6 +513,7 @@ config XIP_KERNEL # This prevents XIP from being enabled by all{yes,mod}config, which # fail to build since XIP doesn't support large kernels. depends on !COMPILE_TEST + select PHYS_RAM_BASE_FIXED help Execute-In-Place allows the kernel to run from non-volatile storage directly addressable by the CPU, such as NOR flash. This saves RAM -- 2.30.2 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2021-07-21 8:04 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-21 7:59 [PATCH -fixes 0/3] Fixes regarding CONFIG_PHYS_RAM_BASE Alexandre Ghiti 2021-07-21 7:59 ` Alexandre Ghiti 2021-07-21 7:59 ` [PATCH -fixes 1/3] riscv: Get rid of CONFIG_PHYS_RAM_BASE in kernel physical address conversion Alexandre Ghiti 2021-07-21 7:59 ` Alexandre Ghiti 2021-07-21 7:59 ` Alexandre Ghiti [this message] 2021-07-21 7:59 ` [PATCH -fixes 2/3] Revert "riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED" Alexandre Ghiti 2021-07-21 7:59 ` [PATCH -fixes 3/3] riscv: Optimize kernel virtual address conversion macro Alexandre Ghiti 2021-07-21 7:59 ` Alexandre Ghiti 2021-08-07 16:36 ` Palmer Dabbelt 2021-08-07 16:36 ` Palmer Dabbelt 2021-08-07 19:31 ` Alex Ghiti 2021-08-07 19:31 ` Alex Ghiti 2021-08-12 5:23 ` Palmer Dabbelt 2021-08-12 5:23 ` Palmer Dabbelt 2021-08-08 12:27 ` Vitaly Wool 2021-08-08 12:27 ` Vitaly Wool 2021-07-21 14:12 ` [PATCH -fixes 0/3] Fixes regarding CONFIG_PHYS_RAM_BASE Emil Renner Berthing 2021-07-21 14:12 ` Emil Renner Berthing 2021-07-22 15:29 ` Jisheng Zhang 2021-07-22 15:29 ` Jisheng Zhang
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