* Re: [PATCH 1/1] cacheflush01: Rewrite into new API
[not found] <20201002202416.28972-1-petr.vorel@gmail.com>
@ 2020-10-02 23:38 ` Vineet Gupta
0 siblings, 0 replies; only message in thread
From: Vineet Gupta @ 2020-10-02 23:38 UTC (permalink / raw)
To: Petr Vorel, ltp
Cc: Ofer Levi, Rich Felker, Yoshinori Sato, Nick Hu, linux-sh, arcml,
linux-mips, linux-csky, linux-m68k, Geert Uytterhoeven,
Greentime Hu, Maciej W . Rozycki, Guo Ren, Vincent Chen
Hi Petr,
On 10/2/20 1:24 PM, Petr Vorel wrote:
> This syscall is currently (v5.9) supported on these architectures:
> arc, csky, mips, m68k, nds32, sh
>
> constants are missing for m68k, not sure if the testcase is valid for it.
> Untested.
>
> Test for __LTP__NR_INVALID_SYSCALL saves adding autotools check for
> <asm/cachectl.h>.
>
> Signed-off-by: Petr Vorel <petr.vorel@gmail.com>
> ---
> Hi,
>
> FYI: I was going to ask for removal of this test, but all these archs are
> still supported. This test compiles on all archs now, but I haven't run
> it (I don't have access to none of these archs, not sure if LTP is even
> tested on these archs).
LTP is pretty much regularly tested on ARC and yes we do support/need the
cachflush syscall test.
Thx,
-Vineet
>
> Kind regards,
> Petr
>
> .../kernel/syscalls/cacheflush/cacheflush01.c | 173 ++++--------------
> 1 file changed, 40 insertions(+), 133 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/cacheflush/cacheflush01.c b/testcases/kernel/syscalls/cacheflush/cacheflush01.c
> index 29cf2014a..85125f2ee 100644
> --- a/testcases/kernel/syscalls/cacheflush/cacheflush01.c
> +++ b/testcases/kernel/syscalls/cacheflush/cacheflush01.c
> @@ -1,157 +1,64 @@
> -/******************************************************************************/
> -/* Copyright (c) Maxin John <maxin.john@gmail.com>, 2009 */
> -/* LKML Reference: https://urldefense.com/v3/__http://lkml.org/lkml/2009/4/9/203__;!!A4F2R9G_pg!MvWpmrCHRK36ROXcP8-qw3B1lCwih8RxIojwKW11TJz0iL7EvnloBIHwI5zr8m1c$ */
> -/* This program is free software; you can redistribute it and/or modify */
> -/* it under the terms of the GNU General Public License as published by */
> -/* the Free Software Foundation; either version 2 of the License, or */
> -/* (at your option) any later version. */
> -/* */
> -/* This program is distributed in the hope that it will be useful, */
> -/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
> -/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
> -/* the GNU General Public License for more details. */
> -/* */
> -/* You should have received a copy of the GNU General Public License */
> -/* along with this program; if not, write to the Free Software */
> -/* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
> -/* */
> -/******************************************************************************/
> -/******************************************************************************/
> -/* */
> -/* File: cacheflush01.c */
> -/* */
> -/* Description: The cacheflush_check() syscall */
> -/* Tests EINVAL error of cacheflush system call. */
> -/* Its expected behaviour is cacheflush() should return -EINVAL */
> -/* when cache parameter is not one of ICACHE, DCACHE, or BCACHE. */
> -/* */
> -/* Usage: <for command-line> */
> -/* cacheflush01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */
> -/* where, -c n : Run n copies concurrently. */
> -/* -e : Turn on errno logging. */
> -/* -i n : Execute test n times. */
> -/* -I x : Execute test for x seconds. */
> -/* -P x : Pause for x seconds between iterations. */
> -/* -t : Turn on syscall timing. */
> -/* */
> -/* Total Tests: 1 */
> -/* */
> -/* Test Name: cacheflush01 */
> -/******************************************************************************/
> +// SPDX-License-Identifier: GPL-2.0-or-later
>
> -#include <unistd.h>
> -#include <stdio.h>
> -#include <stdlib.h>
> -#include <errno.h>
> -
> -#include "test.h"
> +#include "tst_test.h"
> #include "lapi/syscalls.h"
>
> #if __NR_cacheflush != __LTP__NR_INVALID_SYSCALL
> +
> #include <asm/cachectl.h>
> -#else
> +
> +/*
> + * m68k does not have these constants
> + */
> +
> #ifndef ICACHE
> -#define ICACHE (1<<0) /* flush instruction cache */
> +# define ICACHE (1<<0)
> #endif
> +
> #ifndef DCACHE
> -#define DCACHE (1<<1) /* writeback and flush data cache */
> +# define DCACHE (1<<1)
> #endif
> +
> #ifndef BCACHE
> -#define BCACHE (ICACHE|DCACHE) /* flush both caches */
> -#endif
> +# define BCACHE (ICACHE|DCACHE)
> #endif
>
> -char *TCID = "cacheflush01";
> -int TST_TOTAL = 1;
> +#define CACHE_DESC(x) .cache = x, .desc = #x
>
> -/* Extern Global Functions */
> -/******************************************************************************/
> -/* */
> -/* Function: cleanup */
> -/* */
> -/* Description: Performs all one time clean up for this test on successful */
> -/* completion, premature exit or failure. Closes all temporary */
> -/* files, removes all temporary directories exits the test with */
> -/* appropriate return code by calling tst_exit() function. */
> -/* */
> -/* Input: None. */
> -/* */
> -/* Output: None. */
> -/* */
> -/* Return: On failure - Exits calling tst_exit(). Non '0' return code. */
> -/* On success - Exits calling tst_exit(). With '0' return code. */
> -/* */
> -/******************************************************************************/
> -void cleanup(void)
> -{
> +static struct test_case_t {
> + int cache;
> + const char *desc;
> +} test_cases[] = {
> + { CACHE_DESC(ICACHE) },
> + { CACHE_DESC(DCACHE) },
> + { CACHE_DESC(BCACHE) },
> +};
>
> - tst_rmdir();
> -}
> +static char *addr;
>
> -/* Local Functions */
> -/******************************************************************************/
> -/* */
> -/* Function: setup */
> -/* */
> -/* Description: Performs all one time setup for this test. This function is */
> -/* typically used to capture signals, create temporary dirs */
> -/* and temporary files that may be used in the course of this */
> -/* test. */
> -/* */
> -/* Input: None. */
> -/* */
> -/* Output: None. */
> -/* */
> -/* Return: On failure - Exits by calling cleanup(). */
> -/* On success - returns 0. */
> -/* */
> -/******************************************************************************/
> -void setup(void)
> +static void setup(void)
> {
> - /* Capture signals if any */
> - /* Create temporary directories */
> - TEST_PAUSE;
> - tst_tmpdir();
> + addr = SAFE_MALLOC(getpagesize());
> }
>
> -int main(int ac, char **av)
> +static void test_cacheflush(unsigned int i)
> {
> + struct test_case_t *tc = &test_cases[i];
>
> - char *addr = NULL;
> -
> - tst_parse_opts(ac, av, NULL, NULL);
> -
> - setup();
> -
> - tst_count = 0;
> - /* Create some user address range */
> - addr = malloc(getpagesize());
> - if (addr == NULL) {
> - tst_brkm(TFAIL | TTERRNO, cleanup, "malloc failed");
> - }
> -
> - /* Invokes cacheflush() with proper parameters */
> - TEST(ltp_syscall(__NR_cacheflush, addr, getpagesize(), ICACHE));
> - if (TEST_RETURN == 0) {
> - tst_resm(TPASS, "passed with no errno");
> - } else {
> - tst_resm(TFAIL, "failed with unexpected errno");
> - }
> -
> - TEST(ltp_syscall(__NR_cacheflush, addr, getpagesize(), DCACHE));
> - if (TEST_RETURN == 0) {
> - tst_resm(TPASS, "passed with no errno");
> + TEST(tst_syscall(__NR_cacheflush, addr, getpagesize(), tc->cache));
> + if (TST_RET == 0) {
> + tst_res(TPASS, "%s passed", tc->desc);
> } else {
> - tst_resm(TFAIL, "failed with unexpected errno");
> + tst_res(TFAIL | TTERRNO, "%s failed", tc->desc);
> }
> +}
>
> - TEST(ltp_syscall(__NR_cacheflush, addr, getpagesize(), BCACHE));
> - if (TEST_RETURN == 0) {
> - tst_resm(TPASS, "passed with no errno");
> - } else {
> - tst_resm(TFAIL, "failed with unexpected errno");
> - }
> +static struct tst_test test = {
> + .setup = setup,
> + .test = test_cacheflush,
> + .tcnt = ARRAY_SIZE(test_cases),
> +};
>
> - cleanup();
> - tst_exit();
> -}
> +#else
> + TST_TEST_TCONF("system doesn't support cacheflush()");
> +#endif
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2020-10-02 23:38 ` [PATCH 1/1] cacheflush01: Rewrite into new API Vineet Gupta
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