From: Heiko Stuebner <heiko@sntech.de> To: palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, wefu@redhat.com, liush@allwinnertech.com, guoren@kernel.org, atishp@atishpatra.org, anup@brainfault.org, drew@beagleboard.org, hch@lst.de, arnd@arndb.de, wens@csie.org, maxime@cerno.tech, gfavor@ventanamicro.com, andrea.mondelli@huawei.com, behrensj@mit.edu, xinhaoqu@huawei.com, mick@ics.forth.gr, allen.baum@esperantotech.com, jscheid@ventanamicro.com, rtrauben@gmail.com, samuel@sholland.org, cmuellner@linux.com, philipp.tomsich@vrull.eu, Heiko Stuebner <heiko@sntech.de> Subject: [PATCH v8 08/14] riscv: move boot alternatives to after fill_hwcap Date: Thu, 24 Mar 2022 01:07:04 +0100 [thread overview] Message-ID: <20220324000710.575331-9-heiko@sntech.de> (raw) In-Reply-To: <20220324000710.575331-1-heiko@sntech.de> Move the application of boot alternatives to after the hw-capabilities are populated. This allows to check for available extensions when determining which alternatives to apply and also makes it actually work if CONFIG_SMP is disabled for whatever reason. Signed-off-by: Heiko Stuebner <heiko@sntech.de> --- arch/riscv/kernel/setup.c | 2 ++ arch/riscv/kernel/smpboot.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 339ceb595b38..b4879c942b42 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -21,6 +21,7 @@ #include <linux/efi.h> #include <linux/crash_dump.h> +#include <asm/alternative.h> #include <asm/cpu_ops.h> #include <asm/early_ioremap.h> #include <asm/pgtable.h> @@ -295,6 +296,7 @@ void __init setup_arch(char **cmdline_p) #endif riscv_fill_hwcap(); + apply_boot_alternatives(); } static int __init topology_init(void) diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index a6d13dca1403..f1e4948a4b52 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -32,7 +32,6 @@ #include <asm/sections.h> #include <asm/sbi.h> #include <asm/smp.h> -#include <asm/alternative.h> #include "head.h" @@ -41,7 +40,6 @@ static DECLARE_COMPLETION(cpu_running); void __init smp_prepare_boot_cpu(void) { init_cpu_topology(); - apply_boot_alternatives(); } void __init smp_prepare_cpus(unsigned int max_cpus) -- 2.35.1
WARNING: multiple messages have this Message-ID (diff)
From: Heiko Stuebner <heiko@sntech.de> To: palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, wefu@redhat.com, liush@allwinnertech.com, guoren@kernel.org, atishp@atishpatra.org, anup@brainfault.org, drew@beagleboard.org, hch@lst.de, arnd@arndb.de, wens@csie.org, maxime@cerno.tech, gfavor@ventanamicro.com, andrea.mondelli@huawei.com, behrensj@mit.edu, xinhaoqu@huawei.com, mick@ics.forth.gr, allen.baum@esperantotech.com, jscheid@ventanamicro.com, rtrauben@gmail.com, samuel@sholland.org, cmuellner@linux.com, philipp.tomsich@vrull.eu, Heiko Stuebner <heiko@sntech.de> Subject: [PATCH v8 08/14] riscv: move boot alternatives to after fill_hwcap Date: Thu, 24 Mar 2022 01:07:04 +0100 [thread overview] Message-ID: <20220324000710.575331-9-heiko@sntech.de> (raw) In-Reply-To: <20220324000710.575331-1-heiko@sntech.de> Move the application of boot alternatives to after the hw-capabilities are populated. This allows to check for available extensions when determining which alternatives to apply and also makes it actually work if CONFIG_SMP is disabled for whatever reason. Signed-off-by: Heiko Stuebner <heiko@sntech.de> --- arch/riscv/kernel/setup.c | 2 ++ arch/riscv/kernel/smpboot.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 339ceb595b38..b4879c942b42 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -21,6 +21,7 @@ #include <linux/efi.h> #include <linux/crash_dump.h> +#include <asm/alternative.h> #include <asm/cpu_ops.h> #include <asm/early_ioremap.h> #include <asm/pgtable.h> @@ -295,6 +296,7 @@ void __init setup_arch(char **cmdline_p) #endif riscv_fill_hwcap(); + apply_boot_alternatives(); } static int __init topology_init(void) diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index a6d13dca1403..f1e4948a4b52 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -32,7 +32,6 @@ #include <asm/sections.h> #include <asm/sbi.h> #include <asm/smp.h> -#include <asm/alternative.h> #include "head.h" @@ -41,7 +40,6 @@ static DECLARE_COMPLETION(cpu_running); void __init smp_prepare_boot_cpu(void) { init_cpu_topology(); - apply_boot_alternatives(); } void __init smp_prepare_cpus(unsigned int max_cpus) -- 2.35.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv
next prev parent reply other threads:[~2022-03-24 0:08 UTC|newest] Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-24 0:06 [PATCH v8 00/14] riscv: support for Svpbmt and D1 memory types Heiko Stuebner 2022-03-24 0:06 ` Heiko Stuebner 2022-03-24 0:06 ` [PATCH v8 01/14] riscv: prevent null-pointer dereference with sbi_remote_fence_i Heiko Stuebner 2022-03-24 0:06 ` Heiko Stuebner 2022-03-31 9:51 ` Christoph Hellwig 2022-03-31 9:51 ` Christoph Hellwig 2022-03-31 12:28 ` Heiko Stübner 2022-03-31 12:28 ` Heiko Stübner 2022-03-31 12:33 ` Christoph Hellwig 2022-03-31 12:33 ` Christoph Hellwig 2022-04-07 18:50 ` Heiko Stübner 2022-04-07 18:50 ` Heiko Stübner 2022-03-24 0:06 ` [PATCH v8 02/14] riscv: integrate alternatives better into the main architecture Heiko Stuebner 2022-03-24 0:06 ` Heiko Stuebner 2022-03-31 9:53 ` Christoph Hellwig 2022-03-31 9:53 ` Christoph Hellwig 2022-03-24 0:06 ` [PATCH v8 03/14] riscv: allow different stages with alternatives Heiko Stuebner 2022-03-24 0:06 ` Heiko Stuebner 2022-03-24 0:07 ` [PATCH v8 04/14] riscv: implement module alternatives Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-24 0:07 ` [PATCH v8 05/14] riscv: implement ALTERNATIVE_2 macro Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 9:56 ` Christoph Hellwig 2022-03-31 9:56 ` Christoph Hellwig 2022-03-24 0:07 ` [PATCH v8 06/14] riscv: extend concatenated alternatives-lines to the same length Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-24 0:07 ` [PATCH v8 07/14] riscv: prevent compressed instructions in alternatives Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 9:56 ` Christoph Hellwig 2022-03-31 9:56 ` Christoph Hellwig 2022-03-24 0:07 ` Heiko Stuebner [this message] 2022-03-24 0:07 ` [PATCH v8 08/14] riscv: move boot alternatives to after fill_hwcap Heiko Stuebner 2022-03-31 9:57 ` Christoph Hellwig 2022-03-31 9:57 ` Christoph Hellwig 2022-03-24 0:07 ` [PATCH v8 09/14] riscv: Fix accessing pfn bits in PTEs for non-32bit variants Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 9:59 ` Christoph Hellwig 2022-03-31 9:59 ` Christoph Hellwig 2022-03-24 0:07 ` [PATCH v8 10/14] riscv: add cpufeature handling via alternatives Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 10:01 ` Christoph Hellwig 2022-03-31 10:01 ` Christoph Hellwig 2022-04-08 16:13 ` Heiko Stübner 2022-04-08 16:13 ` Heiko Stübner 2022-03-24 0:07 ` [PATCH v8 11/14] riscv: add RISC-V Svpbmt extension support Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 10:03 ` Christoph Hellwig 2022-03-31 10:03 ` Christoph Hellwig 2022-03-31 12:19 ` Heiko Stübner 2022-03-31 12:19 ` Heiko Stübner 2022-03-31 12:27 ` Christoph Hellwig 2022-03-31 12:27 ` Christoph Hellwig 2022-03-31 12:29 ` Christoph Hellwig 2022-03-31 12:29 ` Christoph Hellwig 2022-03-24 0:07 ` [PATCH v8 12/14] riscv: remove FIXMAP_PAGE_IO and fall back to its default value Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 10:03 ` Christoph Hellwig 2022-03-31 10:03 ` Christoph Hellwig 2022-03-24 0:07 ` [PATCH v8 13/14] riscv: don't use global static vars to store alternative data Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-24 0:07 ` [PATCH v8 14/14] riscv: add memory-type errata for T-Head Heiko Stuebner 2022-03-24 0:07 ` Heiko Stuebner 2022-03-31 2:24 ` [PATCH v8 00/14] riscv: support for Svpbmt and D1 memory types Palmer Dabbelt 2022-03-31 2:24 ` Palmer Dabbelt
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