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Wysocki" , Len Brown , linux-acpi@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH][next] ACPI: OSL: ratelimit ACPICA kernel messages Date: Thu, 13 Feb 2025 18:16:10 +0000 Message-ID: <20250213181610.718343-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.47.2 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In cases where the ACPI AML contains errors there can be quite a large amount of ACPICA kernel log spamming. Reduce this by rate limiting the messages. Signed-off-by: Colin Ian King --- drivers/acpi/osl.c | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 5ff343096ece..d4ece68e0fd6 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -159,17 +159,21 @@ void __printf(1, 0) acpi_os_vprintf(const char *fmt, va_list args) if (acpi_in_debugger) { kdb_printf("%s", buffer); } else { - if (printk_get_level(buffer)) - printk("%s", buffer); - else - printk(KERN_CONT "%s", buffer); + if (printk_ratelimit()) { + if (printk_get_level(buffer)) + printk("%s", buffer); + else + printk(KERN_CONT "%s", buffer); + } } #else if (acpi_debugger_write_log(buffer) < 0) { - if (printk_get_level(buffer)) - printk("%s", buffer); - else - printk(KERN_CONT "%s", buffer); + if (printk_ratelimit()) { + if (printk_get_level(buffer)) + printk("%s", buffer); + else + printk(KERN_CONT "%s", buffer); + } } #endif }