From: Vincenzo Frascino <vincenzo.frascino@arm.com> To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Arnd Bergmann <arnd@arndb.de>, Catalin Marinas <catalin.marinas@arm.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Will Deacon <will.deacon@arm.com>, Russell King <linux@armlinux.org.uk>, Ralf Baechle <ralf@linux-mips.org>, Mark Salyzyn <salyzyn@android.com>, Paul Burton <paul.burton@mips.com>, Thomas Gleixner <tglx@linutronix.de>, Peter Collingbourne <pcc@google.com> Subject: [PATCH v3 22/24] clock: csrc-4k: Add support for vdso_direct Date: Thu, 13 Dec 2018 16:57:44 +0000 [thread overview] Message-ID: <20181213165746.56930-23-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20181213165746.56930-1-vincenzo.frascino@arm.com> This patch is a consequence of the introduction of vdso_direct on mips architectures. If the clock source is selected, vdso_direct is set to true. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- arch/mips/kernel/csrc-r4k.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c index eed099f35bf1..97e2a8aafdd6 100644 --- a/arch/mips/kernel/csrc-r4k.c +++ b/arch/mips/kernel/csrc-r4k.c @@ -77,8 +77,10 @@ int __init init_r4k_clocksource(void) * R2 onwards makes the count accessible to user mode so it can be used * by the VDSO (HWREna is configured by configure_hwrena()). */ - if (cpu_has_mips_r2_r6 && rdhwr_count_usable()) + if (cpu_has_mips_r2_r6 && rdhwr_count_usable()) { + clocksource_mips.archdata.vdso_direct = true; clocksource_mips.archdata.vdso_clock_mode = VDSO_CLOCK_R4K; + } clocksource_register_hz(&clocksource_mips, mips_hpt_frequency); -- 2.19.2
WARNING: multiple messages have this Message-ID (diff)
From: Vincenzo Frascino <vincenzo.frascino@arm.com> To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Arnd Bergmann <arnd@arndb.de>, Russell King <linux@armlinux.org.uk>, Ralf Baechle <ralf@linux-mips.org>, Paul Burton <paul.burton@mips.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Mark Salyzyn <salyzyn@android.com>, Peter Collingbourne <pcc@google.com> Subject: [PATCH v3 22/24] clock: csrc-4k: Add support for vdso_direct Date: Thu, 13 Dec 2018 16:57:44 +0000 [thread overview] Message-ID: <20181213165746.56930-23-vincenzo.frascino@arm.com> (raw) Message-ID: <20181213165744.hmrM9EVzZMKjsbbLFSD4cM07CzKv34117Gd7RVFxhSM@z> (raw) In-Reply-To: <20181213165746.56930-1-vincenzo.frascino@arm.com> This patch is a consequence of the introduction of vdso_direct on mips architectures. If the clock source is selected, vdso_direct is set to true. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> --- arch/mips/kernel/csrc-r4k.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/mips/kernel/csrc-r4k.c b/arch/mips/kernel/csrc-r4k.c index eed099f35bf1..97e2a8aafdd6 100644 --- a/arch/mips/kernel/csrc-r4k.c +++ b/arch/mips/kernel/csrc-r4k.c @@ -77,8 +77,10 @@ int __init init_r4k_clocksource(void) * R2 onwards makes the count accessible to user mode so it can be used * by the VDSO (HWREna is configured by configure_hwrena()). */ - if (cpu_has_mips_r2_r6 && rdhwr_count_usable()) + if (cpu_has_mips_r2_r6 && rdhwr_count_usable()) { + clocksource_mips.archdata.vdso_direct = true; clocksource_mips.archdata.vdso_clock_mode = VDSO_CLOCK_R4K; + } clocksource_register_hz(&clocksource_mips, mips_hpt_frequency); -- 2.19.2
next prev parent reply other threads:[~2018-12-13 16:57 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-12-13 16:57 [PATCH v3 00/24] Unify vDSOs across more architectures Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 01/24] kernel: Standardize vdso_datapage Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 02/24] kernel: Define gettimeofday vdso common code Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-14 18:15 ` Mark Salyzyn 2018-12-14 18:15 ` Mark Salyzyn 2019-01-10 10:36 ` Vincenzo Frascino 2019-01-10 10:36 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 03/24] arm64: Build vDSO with -ffixed-x18 Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 04/24] arm64: Substitute gettimeofday with C implementation Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 05/24] arm64: compat: Alloc separate pages for vectors and sigpage Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 06/24] arm64: compat: Split kuser32 Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 07/24] arm64: compat: Refactor aarch32_alloc_vdso_pages() Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 08/24] arm64: compat: Add KUSER_HELPERS config option Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 09/24] arm64: compat: Add missing syscall numbers Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 10/24] arm64: compat: Expose signal related structures Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 11/24] arm64: compat: Generate asm offsets for signals Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 12/24] lib: vdso: Add compat support Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 13/24] arm64: compat: Add vDSO Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 14/24] arm64: Refactor vDSO code Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 15/24] arm64: compat: vDSO setup for compat layer Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 16/24] arm64: elf: vDSO code page discovery Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 17/24] arm64: compat: Get sigreturn trampolines from vDSO Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 18/24] arm64: Add vDSO compat support Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-17 15:26 ` Mark Salyzyn 2018-12-17 15:26 ` Mark Salyzyn 2019-01-10 10:39 ` Vincenzo Frascino 2019-01-10 10:39 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 19/24] arm64: Enable compat vDSO support Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 20/24] arm: Add support for generic vDSO Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 21/24] mips: Introduce vdso_direct Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino [this message] 2018-12-13 16:57 ` [PATCH v3 22/24] clock: csrc-4k: Add support for vdso_direct Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 23/24] clock: gic-timer: " Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino 2018-12-13 16:57 ` [PATCH v3 24/24] mips: Add support for generic vDSO Vincenzo Frascino 2018-12-13 16:57 ` Vincenzo Frascino
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