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From: "Paul E. McKenney" <[email protected]>
To: Willy Tarreau <[email protected]>
Cc: Ammar Faizi <[email protected]>,
	Alviro Iskandar Setiawan <[email protected]>,
	Nugraha <[email protected]>,
	Linux Kernel Mailing List <[email protected]>,
	GNU/Weeb Mailing List <[email protected]>
Subject: Re: [PATCH v2 0/9] Add dynamic memory allocator support for nolibc
Date: Wed, 30 Mar 2022 11:51:52 -0700	[thread overview]
Message-ID: <20220330185152.GK4285@paulmck-ThinkPad-P17-Gen-1> (raw)
In-Reply-To: <[email protected]>

On Wed, Mar 30, 2022 at 04:41:14AM +0200, Willy Tarreau wrote:
> Hi Ammar,
> 
> On Tue, Mar 29, 2022 at 05:20:31PM +0700, Ammar Faizi wrote:
> > On 3/29/22 5:17 PM, Ammar Faizi wrote:
> > > Hi,
> > > 
> > > This is a patchset v2 to add dynamic memory allocator support
> > > for nolibc after 2 RFCs, please review the changes carefully.
> 
> Thank you! For me it's OK for all the series:
> 
> Acked-by: Willy Tarreau <[email protected]>
> 
> I do have a minor comment about the use of __builtin_mul_overflow() here.
> While this code is included in the kernel and mostly for use with kernel
> related stuff, till now I've been careful to support older compilers (I'm
> still seeing 4.8, 4.7 and 4.4 commonly in field). I don't find it urgent,
> but I think that sooner or later it would be nice to implement an
> alternative for compilers missing this builtin, especially if it's the
> only one that prevents older compilers from being used. Probably that
> something like this (untested) would do the job:
> 
> 	if (nmemb && ~(size_t)0 / nmemb < size) {
> 		SET_ERRNO(ENOMEM);
> 		return NULL;
> 	}
> 	size *= nmemb;
> 
> But again, for me it's not a showstopper and can be improved later.
> 
> > Sorry, forgot to replace === with --- in for each patch.
> > Should I resend?
> 
> Let's see what Paul prefers. sed 's/===/---/' on the mbox should fix
> it otherwise a resend will be needed.

Given that I am adding your Acked-by anyway, why not?  ;-)

But please check the commits to make sure that this had the desired
effect.

							Thanx, Paul

  reply	other threads:[~2022-03-30 18:51 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-29 10:17 [PATCH v2 0/9] Add dynamic memory allocator support for nolibc Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 1/9] tools/nolibc: x86-64: Update System V ABI document link Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 2/9] tools/nolibc: Replace `asm` with `__asm__` Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 3/9] tools/nolibc: Remove .global _start from the entry point code Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 4/9] tools/nolibc: i386: Implement syscall with 6 arguments Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 5/9] tools/nolibc/sys: Implement `mmap()` and `munmap()` Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 6/9] tools/nolibc/types: Implement `offsetof()` and `container_of()` macro Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 7/9] tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()` Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 8/9] tools/nolibc/string: Implement `strnlen()` Ammar Faizi
2022-03-29 10:17 ` [PATCH v2 9/9] tools/include/string: Implement `strdup()` and `strndup()` Ammar Faizi
2022-03-29 10:20 ` [PATCH v2 0/9] Add dynamic memory allocator support for nolibc Ammar Faizi
2022-03-30  2:41   ` Willy Tarreau
2022-03-30 18:51     ` Paul E. McKenney [this message]
2022-03-31  6:34       ` Willy Tarreau

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